Home / 105,210.86-145,188.65-57,464.38

Finding the Fourth Proportional to 105,210.86, 145,188.65 and 57,464.38

Calculator

Solution

The fourth proportional to 105,210.86, 145,188.65 and 57,464.38 is: 79,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,210.86 : 145,188.65 = 57,464.38 : x
  2. Step 2: Convert to fraction form
    105,210.86/145,188.65 = 57,464.38/x
  3. Step 3: Cross multiply
    105,210.86x = 145,188.65 × 57,464.38
  4. Step 4: Simplify right side
    105,210.86x = 8,343,174,742.02
  5. Step 5: Solve for x
    x = 8,343,174,742.02/105,210.86
  6. Step 6: Final answer
    x = 79,299.56

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.