Home / 158,984.22-219,387.91-91,001.73

Finding the Fourth Proportional to 158,984.22, 219,387.91 and 91,001.73

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Solution

The fourth proportional to 158,984.22, 219,387.91 and 91,001.73 is: 125,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,984.22 : 219,387.91 = 91,001.73 : x
  2. Step 2: Convert to fraction form
    158,984.22/219,387.91 = 91,001.73/x
  3. Step 3: Cross multiply
    158,984.22x = 219,387.91 × 91,001.73
  4. Step 4: Simplify right side
    158,984.22x = 19,964,680,116.91
  5. Step 5: Solve for x
    x = 19,964,680,116.91/158,984.22
  6. Step 6: Final answer
    x = 125,576.49

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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.