Home / 154,079.98-231,240.48-79,197.10

Finding the Fourth Proportional to 154,079.98, 231,240.48 and 79,197.10

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Solution

The fourth proportional to 154,079.98, 231,240.48 and 79,197.10 is: 118,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,079.98 : 231,240.48 = 79,197.10 : x
  2. Step 2: Convert to fraction form
    154,079.98/231,240.48 = 79,197.10/x
  3. Step 3: Cross multiply
    154,079.98x = 231,240.48 × 79,197.10
  4. Step 4: Simplify right side
    154,079.98x = 18,313,575,418.61
  5. Step 5: Solve for x
    x = 18,313,575,418.61/154,079.98
  6. Step 6: Final answer
    x = 118,857.59

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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.