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Finding the Fourth Proportional to 156,614.72, 216,125.24 and 88,630.43

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Solution

The fourth proportional to 156,614.72, 216,125.24 and 88,630.43 is: 122,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,614.72 : 216,125.24 = 88,630.43 : x
  2. Step 2: Convert to fraction form
    156,614.72/216,125.24 = 88,630.43/x
  3. Step 3: Cross multiply
    156,614.72x = 216,125.24 × 88,630.43
  4. Step 4: Simplify right side
    156,614.72x = 19,155,271,431.27
  5. Step 5: Solve for x
    x = 19,155,271,431.27/156,614.72
  6. Step 6: Final answer
    x = 122,308.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.