Home / 140,262.17-210,414.04-51,508.78

Finding the Fourth Proportional to 140,262.17, 210,414.04 and 51,508.78

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Solution

The fourth proportional to 140,262.17, 210,414.04 and 51,508.78 is: 77,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,262.17 : 210,414.04 = 51,508.78 : x
  2. Step 2: Convert to fraction form
    140,262.17/210,414.04 = 51,508.78/x
  3. Step 3: Cross multiply
    140,262.17x = 210,414.04 × 51,508.78
  4. Step 4: Simplify right side
    140,262.17x = 10,838,169,840.46
  5. Step 5: Solve for x
    x = 10,838,169,840.46/140,262.17
  6. Step 6: Final answer
    x = 77,270.80

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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.