Home / 158,026.20-218,096.22-90,067.60

Finding the Fourth Proportional to 158,026.20, 218,096.22 and 90,067.60

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Solution

The fourth proportional to 158,026.20, 218,096.22 and 90,067.60 is: 124,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,026.20 : 218,096.22 = 90,067.60 : x
  2. Step 2: Convert to fraction form
    158,026.20/218,096.22 = 90,067.60/x
  3. Step 3: Cross multiply
    158,026.20x = 218,096.22 × 90,067.60
  4. Step 4: Simplify right side
    158,026.20x = 19,643,403,104.47
  5. Step 5: Solve for x
    x = 19,643,403,104.47/158,026.20
  6. Step 6: Final answer
    x = 124,304.72

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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.