Home / 159,865.03-220,615.56-88,245.08

Finding the Fourth Proportional to 159,865.03, 220,615.56 and 88,245.08

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Solution

The fourth proportional to 159,865.03, 220,615.56 and 88,245.08 is: 121,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,865.03 : 220,615.56 = 88,245.08 : x
  2. Step 2: Convert to fraction form
    159,865.03/220,615.56 = 88,245.08/x
  3. Step 3: Cross multiply
    159,865.03x = 220,615.56 × 88,245.08
  4. Step 4: Simplify right side
    159,865.03x = 19,468,237,741.44
  5. Step 5: Solve for x
    x = 19,468,237,741.44/159,865.03
  6. Step 6: Final answer
    x = 121,779.21

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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.