Home / 132,034.59-182,202.82-78,287.45

Finding the Fourth Proportional to 132,034.59, 182,202.82 and 78,287.45

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Solution

The fourth proportional to 132,034.59, 182,202.82 and 78,287.45 is: 108,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,034.59 : 182,202.82 = 78,287.45 : x
  2. Step 2: Convert to fraction form
    132,034.59/182,202.82 = 78,287.45/x
  3. Step 3: Cross multiply
    132,034.59x = 182,202.82 × 78,287.45
  4. Step 4: Simplify right side
    132,034.59x = 14,264,193,053.88
  5. Step 5: Solve for x
    x = 14,264,193,053.88/132,034.59
  6. Step 6: Final answer
    x = 108,033.76

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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.