Home / 156,631.10-234,946.65-109,391.90

Finding the Fourth Proportional to 156,631.10, 234,946.65 and 109,391.90

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Solution

The fourth proportional to 156,631.10, 234,946.65 and 109,391.90 is: 164,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.10 : 234,946.65 = 109,391.90 : x
  2. Step 2: Convert to fraction form
    156,631.10/234,946.65 = 109,391.90/x
  3. Step 3: Cross multiply
    156,631.10x = 234,946.65 × 109,391.90
  4. Step 4: Simplify right side
    156,631.10x = 25,701,260,442.14
  5. Step 5: Solve for x
    x = 25,701,260,442.14/156,631.10
  6. Step 6: Final answer
    x = 164,087.85

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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.