Home / 157,042.90-235,491.45-68,250.70

Finding the Fourth Proportional to 157,042.90, 235,491.45 and 68,250.70

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Solution

The fourth proportional to 157,042.90, 235,491.45 and 68,250.70 is: 102,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,042.90 : 235,491.45 = 68,250.70 : x
  2. Step 2: Convert to fraction form
    157,042.90/235,491.45 = 68,250.70/x
  3. Step 3: Cross multiply
    157,042.90x = 235,491.45 × 68,250.70
  4. Step 4: Simplify right side
    157,042.90x = 16,072,456,306.52
  5. Step 5: Solve for x
    x = 16,072,456,306.52/157,042.90
  6. Step 6: Final answer
    x = 102,344.37

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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.