Home / 125,545.16-188,346.72-36,805.52

Finding the Fourth Proportional to 125,545.16, 188,346.72 and 36,805.52

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Solution

The fourth proportional to 125,545.16, 188,346.72 and 36,805.52 is: 55,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,545.16 : 188,346.72 = 36,805.52 : x
  2. Step 2: Convert to fraction form
    125,545.16/188,346.72 = 36,805.52/x
  3. Step 3: Cross multiply
    125,545.16x = 188,346.72 × 36,805.52
  4. Step 4: Simplify right side
    125,545.16x = 6,932,198,969.89
  5. Step 5: Solve for x
    x = 6,932,198,969.89/125,545.16
  6. Step 6: Final answer
    x = 55,216.78

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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.