Home / 113,746.92-156,971.42-62,758.86

Finding the Fourth Proportional to 113,746.92, 156,971.42 and 62,758.86

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Solution

The fourth proportional to 113,746.92, 156,971.42 and 62,758.86 is: 86,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746.92 : 156,971.42 = 62,758.86 : x
  2. Step 2: Convert to fraction form
    113,746.92/156,971.42 = 62,758.86/x
  3. Step 3: Cross multiply
    113,746.92x = 156,971.42 × 62,758.86
  4. Step 4: Simplify right side
    113,746.92x = 9,851,347,371.78
  5. Step 5: Solve for x
    x = 9,851,347,371.78/113,746.92
  6. Step 6: Final answer
    x = 86,607.60

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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.