Home / 78,754.16-118,131.67-19,589.83

Finding the Fourth Proportional to 78,754.16, 118,131.67 and 19,589.83

Calculator

Solution

The fourth proportional to 78,754.16, 118,131.67 and 19,589.83 is: 29,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,754.16 : 118,131.67 = 19,589.83 : x
  2. Step 2: Convert to fraction form
    78,754.16/118,131.67 = 19,589.83/x
  3. Step 3: Cross multiply
    78,754.16x = 118,131.67 × 19,589.83
  4. Step 4: Simplify right side
    78,754.16x = 2,314,179,173.38
  5. Step 5: Solve for x
    x = 2,314,179,173.38/78,754.16
  6. Step 6: Final answer
    x = 29,384.85

Related Problems

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.