Home / 87,962.44-121,371.06-71,166.28

Finding the Fourth Proportional to 87,962.44, 121,371.06 and 71,166.28

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Solution

The fourth proportional to 87,962.44, 121,371.06 and 71,166.28 is: 98,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,962.44 : 121,371.06 = 71,166.28 : x
  2. Step 2: Convert to fraction form
    87,962.44/121,371.06 = 71,166.28/x
  3. Step 3: Cross multiply
    87,962.44x = 121,371.06 × 71,166.28
  4. Step 4: Simplify right side
    87,962.44x = 8,637,526,839.86
  5. Step 5: Solve for x
    x = 8,637,526,839.86/87,962.44
  6. Step 6: Final answer
    x = 98,195.63

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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.