Home / 156,972.20-235,453.02-68,225.69

Finding the Fourth Proportional to 156,972.20, 235,453.02 and 68,225.69

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Solution

The fourth proportional to 156,972.20, 235,453.02 and 68,225.69 is: 102,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972.20 : 235,453.02 = 68,225.69 : x
  2. Step 2: Convert to fraction form
    156,972.20/235,453.02 = 68,225.69/x
  3. Step 3: Cross multiply
    156,972.20x = 235,453.02 × 68,225.69
  4. Step 4: Simplify right side
    156,972.20x = 16,063,944,752.08
  5. Step 5: Solve for x
    x = 16,063,944,752.08/156,972.20
  6. Step 6: Final answer
    x = 102,336.24

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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.