Home / 156,148.64-234,187.92-71,827.82

Finding the Fourth Proportional to 156,148.64, 234,187.92 and 71,827.82

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Solution

The fourth proportional to 156,148.64, 234,187.92 and 71,827.82 is: 107,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,148.64 : 234,187.92 = 71,827.82 : x
  2. Step 2: Convert to fraction form
    156,148.64/234,187.92 = 71,827.82/x
  3. Step 3: Cross multiply
    156,148.64x = 234,187.92 × 71,827.82
  4. Step 4: Simplify right side
    156,148.64x = 16,821,207,471.20
  5. Step 5: Solve for x
    x = 16,821,207,471.20/156,148.64
  6. Step 6: Final answer
    x = 107,725.61

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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.