Home / 125,103.29-187,685.71-36,357.66

Finding the Fourth Proportional to 125,103.29, 187,685.71 and 36,357.66

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Solution

The fourth proportional to 125,103.29, 187,685.71 and 36,357.66 is: 54,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,103.29 : 187,685.71 = 36,357.66 : x
  2. Step 2: Convert to fraction form
    125,103.29/187,685.71 = 36,357.66/x
  3. Step 3: Cross multiply
    125,103.29x = 187,685.71 × 36,357.66
  4. Step 4: Simplify right side
    125,103.29x = 6,823,813,140.14
  5. Step 5: Solve for x
    x = 6,823,813,140.14/125,103.29
  6. Step 6: Final answer
    x = 54,545.44

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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.