Home / 87,098.18-130,615.88-30,156.62

Finding the Fourth Proportional to 87,098.18, 130,615.88 and 30,156.62

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Solution

The fourth proportional to 87,098.18, 130,615.88 and 30,156.62 is: 45,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,098.18 : 130,615.88 = 30,156.62 : x
  2. Step 2: Convert to fraction form
    87,098.18/130,615.88 = 30,156.62/x
  3. Step 3: Cross multiply
    87,098.18x = 130,615.88 × 30,156.62
  4. Step 4: Simplify right side
    87,098.18x = 3,938,932,881.44
  5. Step 5: Solve for x
    x = 3,938,932,881.44/87,098.18
  6. Step 6: Final answer
    x = 45,224.06

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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.