Home / 132,138.15-182,350.76-71,708.79

Finding the Fourth Proportional to 132,138.15, 182,350.76 and 71,708.79

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Solution

The fourth proportional to 132,138.15, 182,350.76 and 71,708.79 is: 98,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,138.15 : 182,350.76 = 71,708.79 : x
  2. Step 2: Convert to fraction form
    132,138.15/182,350.76 = 71,708.79/x
  3. Step 3: Cross multiply
    132,138.15x = 182,350.76 × 71,708.79
  4. Step 4: Simplify right side
    132,138.15x = 13,076,152,355.18
  5. Step 5: Solve for x
    x = 13,076,152,355.18/132,138.15
  6. Step 6: Final answer
    x = 98,958.19

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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.