Home / 132,138.16-182,359.65-74,777.52

Finding the Fourth Proportional to 132,138.16, 182,359.65 and 74,777.52

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Solution

The fourth proportional to 132,138.16, 182,359.65 and 74,777.52 is: 103,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,138.16 : 182,359.65 = 74,777.52 : x
  2. Step 2: Convert to fraction form
    132,138.16/182,359.65 = 74,777.52/x
  3. Step 3: Cross multiply
    132,138.16x = 182,359.65 × 74,777.52
  4. Step 4: Simplify right side
    132,138.16x = 13,636,402,375.07
  5. Step 5: Solve for x
    x = 13,636,402,375.07/132,138.16
  6. Step 6: Final answer
    x = 103,198.06

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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.