Home / 154,347.01-231,351.62-79,471.65

Finding the Fourth Proportional to 154,347.01, 231,351.62 and 79,471.65

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Solution

The fourth proportional to 154,347.01, 231,351.62 and 79,471.65 is: 119,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,347.01 : 231,351.62 = 79,471.65 : x
  2. Step 2: Convert to fraction form
    154,347.01/231,351.62 = 79,471.65/x
  3. Step 3: Cross multiply
    154,347.01x = 231,351.62 × 79,471.65
  4. Step 4: Simplify right side
    154,347.01x = 18,385,895,354.86
  5. Step 5: Solve for x
    x = 18,385,895,354.86/154,347.01
  6. Step 6: Final answer
    x = 119,120.51

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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.