Home / 156,137.03-234,037.80-67,432.31

Finding the Fourth Proportional to 156,137.03, 234,037.80 and 67,432.31

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Solution

The fourth proportional to 156,137.03, 234,037.80 and 67,432.31 is: 101,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,137.03 : 234,037.80 = 67,432.31 : x
  2. Step 2: Convert to fraction form
    156,137.03/234,037.80 = 67,432.31/x
  3. Step 3: Cross multiply
    156,137.03x = 234,037.80 × 67,432.31
  4. Step 4: Simplify right side
    156,137.03x = 15,781,708,311.13
  5. Step 5: Solve for x
    x = 15,781,708,311.13/156,137.03
  6. Step 6: Final answer
    x = 101,076.02

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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.