Home / 159,382.26-219,948.96-87,764.82

Finding the Fourth Proportional to 159,382.26, 219,948.96 and 87,764.82

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Solution

The fourth proportional to 159,382.26, 219,948.96 and 87,764.82 is: 121,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,382.26 : 219,948.96 = 87,764.82 : x
  2. Step 2: Convert to fraction form
    159,382.26/219,948.96 = 87,764.82/x
  3. Step 3: Cross multiply
    159,382.26x = 219,948.96 × 87,764.82
  4. Step 4: Simplify right side
    159,382.26x = 19,303,780,883.59
  5. Step 5: Solve for x
    x = 19,303,780,883.59/159,382.26
  6. Step 6: Final answer
    x = 121,116.25

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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.