Home / 154,378-231,567-37,642

Finding the Fourth Proportional to 154,378, 231,567 and 37,642

Calculator

Solution

The fourth proportional to 154,378, 231,567 and 37,642 is: 56,463

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,378 : 231,567 = 37,642 : x
  2. Step 2: Convert to fraction form
    154,378/231,567 = 37,642/x
  3. Step 3: Cross multiply
    154,378x = 231,567 × 37,642
  4. Step 4: Simplify right side
    154,378x = 8,716,645,014
  5. Step 5: Solve for x
    x = 8,716,645,014/154,378
  6. Step 6: Final answer
    x = 56,463

Related Problems

Find fourth proportional to 77,189, 115,783.50 and 18,821
Half scale
Find fourth proportional to 308,756, 463,134 and 75,284
Double scale
Find fourth proportional to 154,379, 231,568.50 and 37,643
Similar ratio
Find fourth proportional to 231,567, 347,350.50 and 56,463
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.