Home / 87,262.38-130,781.82-75,971.67

Finding the Fourth Proportional to 87,262.38, 130,781.82 and 75,971.67

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Solution

The fourth proportional to 87,262.38, 130,781.82 and 75,971.67 is: 113,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.38 : 130,781.82 = 75,971.67 : x
  2. Step 2: Convert to fraction form
    87,262.38/130,781.82 = 75,971.67/x
  3. Step 3: Cross multiply
    87,262.38x = 130,781.82 × 75,971.67
  4. Step 4: Simplify right side
    87,262.38x = 9,935,713,271.04
  5. Step 5: Solve for x
    x = 9,935,713,271.04/87,262.38
  6. Step 6: Final answer
    x = 113,860.21

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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.