Home / 159,779.09-220,494.97-88,159.11

Finding the Fourth Proportional to 159,779.09, 220,494.97 and 88,159.11

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Solution

The fourth proportional to 159,779.09, 220,494.97 and 88,159.11 is: 121,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,779.09 : 220,494.97 = 88,159.11 : x
  2. Step 2: Convert to fraction form
    159,779.09/220,494.97 = 88,159.11/x
  3. Step 3: Cross multiply
    159,779.09x = 220,494.97 × 88,159.11
  4. Step 4: Simplify right side
    159,779.09x = 19,438,640,314.68
  5. Step 5: Solve for x
    x = 19,438,640,314.68/159,779.09
  6. Step 6: Final answer
    x = 121,659.48

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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.