Home / 153,044.78-229,566.87-40,725

Finding the Fourth Proportional to 153,044.78, 229,566.87 and 40,725

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Solution

The fourth proportional to 153,044.78, 229,566.87 and 40,725 is: 61,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,044.78 : 229,566.87 = 40,725 : x
  2. Step 2: Convert to fraction form
    153,044.78/229,566.87 = 40,725/x
  3. Step 3: Cross multiply
    153,044.78x = 229,566.87 × 40,725
  4. Step 4: Simplify right side
    153,044.78x = 9,349,110,780.75
  5. Step 5: Solve for x
    x = 9,349,110,780.75/153,044.78
  6. Step 6: Final answer
    x = 61,087.42

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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.