Home / 140,003.73-209,921.15-55,776.89

Finding the Fourth Proportional to 140,003.73, 209,921.15 and 55,776.89

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Solution

The fourth proportional to 140,003.73, 209,921.15 and 55,776.89 is: 83,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,003.73 : 209,921.15 = 55,776.89 : x
  2. Step 2: Convert to fraction form
    140,003.73/209,921.15 = 55,776.89/x
  3. Step 3: Cross multiply
    140,003.73x = 209,921.15 × 55,776.89
  4. Step 4: Simplify right side
    140,003.73x = 11,708,748,892.22
  5. Step 5: Solve for x
    x = 11,708,748,892.22/140,003.73
  6. Step 6: Final answer
    x = 83,631.69

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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.