Home / 124,734.42-172,084.65-76,904.73

Finding the Fourth Proportional to 124,734.42, 172,084.65 and 76,904.73

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Solution

The fourth proportional to 124,734.42, 172,084.65 and 76,904.73 is: 106,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734.42 : 172,084.65 = 76,904.73 : x
  2. Step 2: Convert to fraction form
    124,734.42/172,084.65 = 76,904.73/x
  3. Step 3: Cross multiply
    124,734.42x = 172,084.65 × 76,904.73
  4. Step 4: Simplify right side
    124,734.42x = 13,234,123,545.39
  5. Step 5: Solve for x
    x = 13,234,123,545.39/124,734.42
  6. Step 6: Final answer
    x = 106,098.41

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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.