Home / 124,221.68-171,421.32-67,631.92

Finding the Fourth Proportional to 124,221.68, 171,421.32 and 67,631.92

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Solution

The fourth proportional to 124,221.68, 171,421.32 and 67,631.92 is: 93,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,221.68 : 171,421.32 = 67,631.92 : x
  2. Step 2: Convert to fraction form
    124,221.68/171,421.32 = 67,631.92/x
  3. Step 3: Cross multiply
    124,221.68x = 171,421.32 × 67,631.92
  4. Step 4: Simplify right side
    124,221.68x = 11,593,553,000.53
  5. Step 5: Solve for x
    x = 11,593,553,000.53/124,221.68
  6. Step 6: Final answer
    x = 93,329.55

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1.5x scale

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.