Home / 87,264.50-130,896.75-28,106.15

Finding the Fourth Proportional to 87,264.50, 130,896.75 and 28,106.15

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Solution

The fourth proportional to 87,264.50, 130,896.75 and 28,106.15 is: 42,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264.50 : 130,896.75 = 28,106.15 : x
  2. Step 2: Convert to fraction form
    87,264.50/130,896.75 = 28,106.15/x
  3. Step 3: Cross multiply
    87,264.50x = 130,896.75 × 28,106.15
  4. Step 4: Simplify right side
    87,264.50x = 3,679,003,690.01
  5. Step 5: Solve for x
    x = 3,679,003,690.01/87,264.50
  6. Step 6: Final answer
    x = 42,159.23

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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.