Home / 98,308.22-147,445.92-28,171.13

Finding the Fourth Proportional to 98,308.22, 147,445.92 and 28,171.13

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Solution

The fourth proportional to 98,308.22, 147,445.92 and 28,171.13 is: 42,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,308.22 : 147,445.92 = 28,171.13 : x
  2. Step 2: Convert to fraction form
    98,308.22/147,445.92 = 28,171.13/x
  3. Step 3: Cross multiply
    98,308.22x = 147,445.92 × 28,171.13
  4. Step 4: Simplify right side
    98,308.22x = 4,153,717,443.06
  5. Step 5: Solve for x
    x = 4,153,717,443.06/98,308.22
  6. Step 6: Final answer
    x = 42,251.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.