Home / 159,621.98-220,291.45-88,008.80

Finding the Fourth Proportional to 159,621.98, 220,291.45 and 88,008.80

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Solution

The fourth proportional to 159,621.98, 220,291.45 and 88,008.80 is: 121,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,621.98 : 220,291.45 = 88,008.80 : x
  2. Step 2: Convert to fraction form
    159,621.98/220,291.45 = 88,008.80/x
  3. Step 3: Cross multiply
    159,621.98x = 220,291.45 × 88,008.80
  4. Step 4: Simplify right side
    159,621.98x = 19,387,584,843.28
  5. Step 5: Solve for x
    x = 19,387,584,843.28/159,621.98
  6. Step 6: Final answer
    x = 121,459.37

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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.