Home / 113,321.70-156,377.79-62,324.64

Finding the Fourth Proportional to 113,321.70, 156,377.79 and 62,324.64

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Solution

The fourth proportional to 113,321.70, 156,377.79 and 62,324.64 is: 86,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,321.70 : 156,377.79 = 62,324.64 : x
  2. Step 2: Convert to fraction form
    113,321.70/156,377.79 = 62,324.64/x
  3. Step 3: Cross multiply
    113,321.70x = 156,377.79 × 62,324.64
  4. Step 4: Simplify right side
    113,321.70x = 9,746,189,465.75
  5. Step 5: Solve for x
    x = 9,746,189,465.75/113,321.70
  6. Step 6: Final answer
    x = 86,004.62

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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.