Home / 156,635.60-234,798.96-100,315.76

Finding the Fourth Proportional to 156,635.60, 234,798.96 and 100,315.76

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Solution

The fourth proportional to 156,635.60, 234,798.96 and 100,315.76 is: 150,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635.60 : 234,798.96 = 100,315.76 : x
  2. Step 2: Convert to fraction form
    156,635.60/234,798.96 = 100,315.76/x
  3. Step 3: Cross multiply
    156,635.60x = 234,798.96 × 100,315.76
  4. Step 4: Simplify right side
    156,635.60x = 23,554,036,119.61
  5. Step 5: Solve for x
    x = 23,554,036,119.61/156,635.60
  6. Step 6: Final answer
    x = 150,374.73

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1.5x scale

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.