Home / 87,066.90-120,131.34-55,224.18

Finding the Fourth Proportional to 87,066.90, 120,131.34 and 55,224.18

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Solution

The fourth proportional to 87,066.90, 120,131.34 and 55,224.18 is: 76,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,066.90 : 120,131.34 = 55,224.18 : x
  2. Step 2: Convert to fraction form
    87,066.90/120,131.34 = 55,224.18/x
  3. Step 3: Cross multiply
    87,066.90x = 120,131.34 × 55,224.18
  4. Step 4: Simplify right side
    87,066.90x = 6,634,154,743.80
  5. Step 5: Solve for x
    x = 6,634,154,743.80/87,066.90
  6. Step 6: Final answer
    x = 76,196.06

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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.