Home / 156,384.81-234,951.12-100,335.02

Finding the Fourth Proportional to 156,384.81, 234,951.12 and 100,335.02

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Solution

The fourth proportional to 156,384.81, 234,951.12 and 100,335.02 is: 150,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,384.81 : 234,951.12 = 100,335.02 : x
  2. Step 2: Convert to fraction form
    156,384.81/234,951.12 = 100,335.02/x
  3. Step 3: Cross multiply
    156,384.81x = 234,951.12 × 100,335.02
  4. Step 4: Simplify right side
    156,384.81x = 23,573,824,149.47
  5. Step 5: Solve for x
    x = 23,573,824,149.47/156,384.81
  6. Step 6: Final answer
    x = 150,742.42

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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.