Home / 87,187.98-120,090.24-67,006.26

Finding the Fourth Proportional to 87,187.98, 120,090.24 and 67,006.26

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Solution

The fourth proportional to 87,187.98, 120,090.24 and 67,006.26 is: 92,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,187.98 : 120,090.24 = 67,006.26 : x
  2. Step 2: Convert to fraction form
    87,187.98/120,090.24 = 67,006.26/x
  3. Step 3: Cross multiply
    87,187.98x = 120,090.24 × 67,006.26
  4. Step 4: Simplify right side
    87,187.98x = 8,046,797,844.90
  5. Step 5: Solve for x
    x = 8,046,797,844.90/87,187.98
  6. Step 6: Final answer
    x = 92,292.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.