Home / 106,211.13-146,570.22-58,463.46

Finding the Fourth Proportional to 106,211.13, 146,570.22 and 58,463.46

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Solution

The fourth proportional to 106,211.13, 146,570.22 and 58,463.46 is: 80,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,211.13 : 146,570.22 = 58,463.46 : x
  2. Step 2: Convert to fraction form
    106,211.13/146,570.22 = 58,463.46/x
  3. Step 3: Cross multiply
    106,211.13x = 146,570.22 × 58,463.46
  4. Step 4: Simplify right side
    106,211.13x = 8,569,002,194.16
  5. Step 5: Solve for x
    x = 8,569,002,194.16/106,211.13
  6. Step 6: Final answer
    x = 80,678.95

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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.