Home / 113,105.76-156,079.72-62,125.18

Finding the Fourth Proportional to 113,105.76, 156,079.72 and 62,125.18

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Solution

The fourth proportional to 113,105.76, 156,079.72 and 62,125.18 is: 85,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,105.76 : 156,079.72 = 62,125.18 : x
  2. Step 2: Convert to fraction form
    113,105.76/156,079.72 = 62,125.18/x
  3. Step 3: Cross multiply
    113,105.76x = 156,079.72 × 62,125.18
  4. Step 4: Simplify right side
    113,105.76x = 9,696,480,699.35
  5. Step 5: Solve for x
    x = 9,696,480,699.35/113,105.76
  6. Step 6: Final answer
    x = 85,729.33

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1.5x scale

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.