Home / 113,154.78-169,750.54-38,279.48

Finding the Fourth Proportional to 113,154.78, 169,750.54 and 38,279.48

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Solution

The fourth proportional to 113,154.78, 169,750.54 and 38,279.48 is: 57,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,154.78 : 169,750.54 = 38,279.48 : x
  2. Step 2: Convert to fraction form
    113,154.78/169,750.54 = 38,279.48/x
  3. Step 3: Cross multiply
    113,154.78x = 169,750.54 × 38,279.48
  4. Step 4: Simplify right side
    113,154.78x = 6,497,962,400.92
  5. Step 5: Solve for x
    x = 6,497,962,400.92/113,154.78
  6. Step 6: Final answer
    x = 57,425.43

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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.