Home / 159,837.69-220,575.54-88,217.21

Finding the Fourth Proportional to 159,837.69, 220,575.54 and 88,217.21

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Solution

The fourth proportional to 159,837.69, 220,575.54 and 88,217.21 is: 121,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,837.69 : 220,575.54 = 88,217.21 : x
  2. Step 2: Convert to fraction form
    159,837.69/220,575.54 = 88,217.21/x
  3. Step 3: Cross multiply
    159,837.69x = 220,575.54 × 88,217.21
  4. Step 4: Simplify right side
    159,837.69x = 19,458,557,630.17
  5. Step 5: Solve for x
    x = 19,458,557,630.17/159,837.69
  6. Step 6: Final answer
    x = 121,739.48

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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.