Home / 132,042.44-182,241.86-78,357.06

Finding the Fourth Proportional to 132,042.44, 182,241.86 and 78,357.06

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Solution

The fourth proportional to 132,042.44, 182,241.86 and 78,357.06 is: 108,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,042.44 : 182,241.86 = 78,357.06 : x
  2. Step 2: Convert to fraction form
    132,042.44/182,241.86 = 78,357.06/x
  3. Step 3: Cross multiply
    132,042.44x = 182,241.86 × 78,357.06
  4. Step 4: Simplify right side
    132,042.44x = 14,279,936,358.53
  5. Step 5: Solve for x
    x = 14,279,936,358.53/132,042.44
  6. Step 6: Final answer
    x = 108,146.57

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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.