Home / 125,179.23-172,737.83-71,456.94

Finding the Fourth Proportional to 125,179.23, 172,737.83 and 71,456.94

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Solution

The fourth proportional to 125,179.23, 172,737.83 and 71,456.94 is: 98,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,179.23 : 172,737.83 = 71,456.94 : x
  2. Step 2: Convert to fraction form
    125,179.23/172,737.83 = 71,456.94/x
  3. Step 3: Cross multiply
    125,179.23x = 172,737.83 × 71,456.94
  4. Step 4: Simplify right side
    125,179.23x = 12,343,316,396.76
  5. Step 5: Solve for x
    x = 12,343,316,396.76/125,179.23
  6. Step 6: Final answer
    x = 98,605.15

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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.