Home / 125,037.91-172,552.30-67,677.22

Finding the Fourth Proportional to 125,037.91, 172,552.30 and 67,677.22

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Solution

The fourth proportional to 125,037.91, 172,552.30 and 67,677.22 is: 93,394.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,037.91 : 172,552.30 = 67,677.22 : x
  2. Step 2: Convert to fraction form
    125,037.91/172,552.30 = 67,677.22/x
  3. Step 3: Cross multiply
    125,037.91x = 172,552.30 × 67,677.22
  4. Step 4: Simplify right side
    125,037.91x = 11,677,859,968.61
  5. Step 5: Solve for x
    x = 11,677,859,968.61/125,037.91
  6. Step 6: Final answer
    x = 93,394.56

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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.