Home / 87,402.48-131,004.60-76,852.14

Finding the Fourth Proportional to 87,402.48, 131,004.60 and 76,852.14

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Solution

The fourth proportional to 87,402.48, 131,004.60 and 76,852.14 is: 115,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,402.48 : 131,004.60 = 76,852.14 : x
  2. Step 2: Convert to fraction form
    87,402.48/131,004.60 = 76,852.14/x
  3. Step 3: Cross multiply
    87,402.48x = 131,004.60 × 76,852.14
  4. Step 4: Simplify right side
    87,402.48x = 10,067,983,859.84
  5. Step 5: Solve for x
    x = 10,067,983,859.84/87,402.48
  6. Step 6: Final answer
    x = 115,191.05

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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.