Home / 124,311.17-186,478.79-49,414.52

Finding the Fourth Proportional to 124,311.17, 186,478.79 and 49,414.52

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Solution

The fourth proportional to 124,311.17, 186,478.79 and 49,414.52 is: 74,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,311.17 : 186,478.79 = 49,414.52 : x
  2. Step 2: Convert to fraction form
    124,311.17/186,478.79 = 49,414.52/x
  3. Step 3: Cross multiply
    124,311.17x = 186,478.79 × 49,414.52
  4. Step 4: Simplify right side
    124,311.17x = 9,214,760,117.16
  5. Step 5: Solve for x
    x = 9,214,760,117.16/124,311.17
  6. Step 6: Final answer
    x = 74,126.56

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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.