Home / 105,985.38-146,258.17-58,237.71

Finding the Fourth Proportional to 105,985.38, 146,258.17 and 58,237.71

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Solution

The fourth proportional to 105,985.38, 146,258.17 and 58,237.71 is: 80,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,985.38 : 146,258.17 = 58,237.71 : x
  2. Step 2: Convert to fraction form
    105,985.38/146,258.17 = 58,237.71/x
  3. Step 3: Cross multiply
    105,985.38x = 146,258.17 × 58,237.71
  4. Step 4: Simplify right side
    105,985.38x = 8,517,740,195.53
  5. Step 5: Solve for x
    x = 8,517,740,195.53/105,985.38
  6. Step 6: Final answer
    x = 80,367.12

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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.