Home / 154,329.20-231,493.80-137,598.65

Finding the Fourth Proportional to 154,329.20, 231,493.80 and 137,598.65

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Solution

The fourth proportional to 154,329.20, 231,493.80 and 137,598.65 is: 206,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,329.20 : 231,493.80 = 137,598.65 : x
  2. Step 2: Convert to fraction form
    154,329.20/231,493.80 = 137,598.65/x
  3. Step 3: Cross multiply
    154,329.20x = 231,493.80 × 137,598.65
  4. Step 4: Simplify right side
    154,329.20x = 31,853,234,363.37
  5. Step 5: Solve for x
    x = 31,853,234,363.37/154,329.20
  6. Step 6: Final answer
    x = 206,397.98

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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.