Home / 156,948.60-235,279.26-68,170.17

Finding the Fourth Proportional to 156,948.60, 235,279.26 and 68,170.17

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Solution

The fourth proportional to 156,948.60, 235,279.26 and 68,170.17 is: 102,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.60 : 235,279.26 = 68,170.17 : x
  2. Step 2: Convert to fraction form
    156,948.60/235,279.26 = 68,170.17/x
  3. Step 3: Cross multiply
    156,948.60x = 235,279.26 × 68,170.17
  4. Step 4: Simplify right side
    156,948.60x = 16,039,027,151.67
  5. Step 5: Solve for x
    x = 16,039,027,151.67/156,948.60
  6. Step 6: Final answer
    x = 102,192.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.