Home / 87,239.22-130,897.70-31,822.26

Finding the Fourth Proportional to 87,239.22, 130,897.70 and 31,822.26

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Solution

The fourth proportional to 87,239.22, 130,897.70 and 31,822.26 is: 47,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,239.22 : 130,897.70 = 31,822.26 : x
  2. Step 2: Convert to fraction form
    87,239.22/130,897.70 = 31,822.26/x
  3. Step 3: Cross multiply
    87,239.22x = 130,897.70 × 31,822.26
  4. Step 4: Simplify right side
    87,239.22x = 4,165,460,642.80
  5. Step 5: Solve for x
    x = 4,165,460,642.80/87,239.22
  6. Step 6: Final answer
    x = 47,747.57

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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.