Home / 125,248.07-187,869.38-30,478.68

Finding the Fourth Proportional to 125,248.07, 187,869.38 and 30,478.68

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Solution

The fourth proportional to 125,248.07, 187,869.38 and 30,478.68 is: 45,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,248.07 : 187,869.38 = 30,478.68 : x
  2. Step 2: Convert to fraction form
    125,248.07/187,869.38 = 30,478.68/x
  3. Step 3: Cross multiply
    125,248.07x = 187,869.38 × 30,478.68
  4. Step 4: Simplify right side
    125,248.07x = 5,726,010,562.43
  5. Step 5: Solve for x
    x = 5,726,010,562.43/125,248.07
  6. Step 6: Final answer
    x = 45,717.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.