Home / 148,920.13-223,380.20-38,112.13

Finding the Fourth Proportional to 148,920.13, 223,380.20 and 38,112.13

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Solution

The fourth proportional to 148,920.13, 223,380.20 and 38,112.13 is: 57,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,920.13 : 223,380.20 = 38,112.13 : x
  2. Step 2: Convert to fraction form
    148,920.13/223,380.20 = 38,112.13/x
  3. Step 3: Cross multiply
    148,920.13x = 223,380.20 × 38,112.13
  4. Step 4: Simplify right side
    148,920.13x = 8,513,495,221.83
  5. Step 5: Solve for x
    x = 8,513,495,221.83/148,920.13
  6. Step 6: Final answer
    x = 57,168.20

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1.5x scale

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.