Home / 148,857.10-223,285.65-137,452.30

Finding the Fourth Proportional to 148,857.10, 223,285.65 and 137,452.30

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Solution

The fourth proportional to 148,857.10, 223,285.65 and 137,452.30 is: 206,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,857.10 : 223,285.65 = 137,452.30 : x
  2. Step 2: Convert to fraction form
    148,857.10/223,285.65 = 137,452.30/x
  3. Step 3: Cross multiply
    148,857.10x = 223,285.65 × 137,452.30
  4. Step 4: Simplify right side
    148,857.10x = 30,691,126,149.50
  5. Step 5: Solve for x
    x = 30,691,126,149.50/148,857.10
  6. Step 6: Final answer
    x = 206,178.45

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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.