Home / 159,758.93-220,456.40-88,140.14

Finding the Fourth Proportional to 159,758.93, 220,456.40 and 88,140.14

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Solution

The fourth proportional to 159,758.93, 220,456.40 and 88,140.14 is: 121,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,758.93 : 220,456.40 = 88,140.14 : x
  2. Step 2: Convert to fraction form
    159,758.93/220,456.40 = 88,140.14/x
  3. Step 3: Cross multiply
    159,758.93x = 220,456.40 × 88,140.14
  4. Step 4: Simplify right side
    159,758.93x = 19,431,058,731.39
  5. Step 5: Solve for x
    x = 19,431,058,731.39/159,758.93
  6. Step 6: Final answer
    x = 121,627.38

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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.