Home / 87,188.28-130,713.30-34,611

Finding the Fourth Proportional to 87,188.28, 130,713.30 and 34,611

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Solution

The fourth proportional to 87,188.28, 130,713.30 and 34,611 is: 51,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,188.28 : 130,713.30 = 34,611 : x
  2. Step 2: Convert to fraction form
    87,188.28/130,713.30 = 34,611/x
  3. Step 3: Cross multiply
    87,188.28x = 130,713.30 × 34,611
  4. Step 4: Simplify right side
    87,188.28x = 4,524,118,026.30
  5. Step 5: Solve for x
    x = 4,524,118,026.30/87,188.28
  6. Step 6: Final answer
    x = 51,889.06

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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.