Home / 95,581.84-143,353.52-90,839.70

Finding the Fourth Proportional to 95,581.84, 143,353.52 and 90,839.70

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Solution

The fourth proportional to 95,581.84, 143,353.52 and 90,839.70 is: 136,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,581.84 : 143,353.52 = 90,839.70 : x
  2. Step 2: Convert to fraction form
    95,581.84/143,353.52 = 90,839.70/x
  3. Step 3: Cross multiply
    95,581.84x = 143,353.52 × 90,839.70
  4. Step 4: Simplify right side
    95,581.84x = 13,022,190,750.74
  5. Step 5: Solve for x
    x = 13,022,190,750.74/95,581.84
  6. Step 6: Final answer
    x = 136,241.26

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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.