Home / 140,063.16-209,996.28-51,305.12

Finding the Fourth Proportional to 140,063.16, 209,996.28 and 51,305.12

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Solution

The fourth proportional to 140,063.16, 209,996.28 and 51,305.12 is: 76,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,063.16 : 209,996.28 = 51,305.12 : x
  2. Step 2: Convert to fraction form
    140,063.16/209,996.28 = 51,305.12/x
  3. Step 3: Cross multiply
    140,063.16x = 209,996.28 × 51,305.12
  4. Step 4: Simplify right side
    140,063.16x = 10,773,884,344.95
  5. Step 5: Solve for x
    x = 10,773,884,344.95/140,063.16
  6. Step 6: Final answer
    x = 76,921.61

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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.