Home / 148,966.10-223,449.15-138,031.10

Finding the Fourth Proportional to 148,966.10, 223,449.15 and 138,031.10

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Solution

The fourth proportional to 148,966.10, 223,449.15 and 138,031.10 is: 207,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,966.10 : 223,449.15 = 138,031.10 : x
  2. Step 2: Convert to fraction form
    148,966.10/223,449.15 = 138,031.10/x
  3. Step 3: Cross multiply
    148,966.10x = 223,449.15 × 138,031.10
  4. Step 4: Simplify right side
    148,966.10x = 30,842,931,968.57
  5. Step 5: Solve for x
    x = 30,842,931,968.57/148,966.10
  6. Step 6: Final answer
    x = 207,046.65

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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.