Home / 159,928.90-220,700.46-88,307.38

Finding the Fourth Proportional to 159,928.90, 220,700.46 and 88,307.38

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Solution

The fourth proportional to 159,928.90, 220,700.46 and 88,307.38 is: 121,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,928.90 : 220,700.46 = 88,307.38 : x
  2. Step 2: Convert to fraction form
    159,928.90/220,700.46 = 88,307.38/x
  3. Step 3: Cross multiply
    159,928.90x = 220,700.46 × 88,307.38
  4. Step 4: Simplify right side
    159,928.90x = 19,489,479,387.39
  5. Step 5: Solve for x
    x = 19,489,479,387.39/159,928.90
  6. Step 6: Final answer
    x = 121,863.40

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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.