Home / 151,704.32-209,339.52-84,634.88

Finding the Fourth Proportional to 151,704.32, 209,339.52 and 84,634.88

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Solution

The fourth proportional to 151,704.32, 209,339.52 and 84,634.88 is: 116,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,704.32 : 209,339.52 = 84,634.88 : x
  2. Step 2: Convert to fraction form
    151,704.32/209,339.52 = 84,634.88/x
  3. Step 3: Cross multiply
    151,704.32x = 209,339.52 × 84,634.88
  4. Step 4: Simplify right side
    151,704.32x = 17,717,425,154.46
  5. Step 5: Solve for x
    x = 17,717,425,154.46/151,704.32
  6. Step 6: Final answer
    x = 116,789.19

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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.