Home / 154,044.30-230,738.40-124,519.80

Finding the Fourth Proportional to 154,044.30, 230,738.40 and 124,519.80

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Solution

The fourth proportional to 154,044.30, 230,738.40 and 124,519.80 is: 186,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,044.30 : 230,738.40 = 124,519.80 : x
  2. Step 2: Convert to fraction form
    154,044.30/230,738.40 = 124,519.80/x
  3. Step 3: Cross multiply
    154,044.30x = 230,738.40 × 124,519.80
  4. Step 4: Simplify right side
    154,044.30x = 28,731,499,420.32
  5. Step 5: Solve for x
    x = 28,731,499,420.32/154,044.30
  6. Step 6: Final answer
    x = 186,514.52

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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.