Home / 87,194.18-130,790.57-57,743.80

Finding the Fourth Proportional to 87,194.18, 130,790.57 and 57,743.80

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Solution

The fourth proportional to 87,194.18, 130,790.57 and 57,743.80 is: 86,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.18 : 130,790.57 = 57,743.80 : x
  2. Step 2: Convert to fraction form
    87,194.18/130,790.57 = 57,743.80/x
  3. Step 3: Cross multiply
    87,194.18x = 130,790.57 × 57,743.80
  4. Step 4: Simplify right side
    87,194.18x = 7,552,343,900.27
  5. Step 5: Solve for x
    x = 7,552,343,900.27/87,194.18
  6. Step 6: Final answer
    x = 86,615.23

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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.