Home / 95,559.35-143,319.78-90,817.20

Finding the Fourth Proportional to 95,559.35, 143,319.78 and 90,817.20

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Solution

The fourth proportional to 95,559.35, 143,319.78 and 90,817.20 is: 136,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,559.35 : 143,319.78 = 90,817.20 : x
  2. Step 2: Convert to fraction form
    95,559.35/143,319.78 = 90,817.20/x
  3. Step 3: Cross multiply
    95,559.35x = 143,319.78 × 90,817.20
  4. Step 4: Simplify right side
    95,559.35x = 13,015,901,124.22
  5. Step 5: Solve for x
    x = 13,015,901,124.22/95,559.35
  6. Step 6: Final answer
    x = 136,207.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.