Home / 137,400.86-189,640.82-93,909.53

Finding the Fourth Proportional to 137,400.86, 189,640.82 and 93,909.53

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Solution

The fourth proportional to 137,400.86, 189,640.82 and 93,909.53 is: 129,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,400.86 : 189,640.82 = 93,909.53 : x
  2. Step 2: Convert to fraction form
    137,400.86/189,640.82 = 93,909.53/x
  3. Step 3: Cross multiply
    137,400.86x = 189,640.82 × 93,909.53
  4. Step 4: Simplify right side
    137,400.86x = 17,809,080,275.01
  5. Step 5: Solve for x
    x = 17,809,080,275.01/137,400.86
  6. Step 6: Final answer
    x = 129,614.04

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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.