Home / 154,204.80-231,344.16-53,001.12

Finding the Fourth Proportional to 154,204.80, 231,344.16 and 53,001.12

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Solution

The fourth proportional to 154,204.80, 231,344.16 and 53,001.12 is: 79,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204.80 : 231,344.16 = 53,001.12 : x
  2. Step 2: Convert to fraction form
    154,204.80/231,344.16 = 53,001.12/x
  3. Step 3: Cross multiply
    154,204.80x = 231,344.16 × 53,001.12
  4. Step 4: Simplify right side
    154,204.80x = 12,261,499,585.46
  5. Step 5: Solve for x
    x = 12,261,499,585.46/154,204.80
  6. Step 6: Final answer
    x = 79,514.38

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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.