Home / 147,814.47-221,654.88-68,951.25

Finding the Fourth Proportional to 147,814.47, 221,654.88 and 68,951.25

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Solution

The fourth proportional to 147,814.47, 221,654.88 and 68,951.25 is: 103,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,814.47 : 221,654.88 = 68,951.25 : x
  2. Step 2: Convert to fraction form
    147,814.47/221,654.88 = 68,951.25/x
  3. Step 3: Cross multiply
    147,814.47x = 221,654.88 × 68,951.25
  4. Step 4: Simplify right side
    147,814.47x = 15,283,381,044.60
  5. Step 5: Solve for x
    x = 15,283,381,044.60/147,814.47
  6. Step 6: Final answer
    x = 103,395.70

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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.