Home / 85,169.18-127,769.16-35,222.15

Finding the Fourth Proportional to 85,169.18, 127,769.16 and 35,222.15

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Solution

The fourth proportional to 85,169.18, 127,769.16 and 35,222.15 is: 52,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,169.18 : 127,769.16 = 35,222.15 : x
  2. Step 2: Convert to fraction form
    85,169.18/127,769.16 = 35,222.15/x
  3. Step 3: Cross multiply
    85,169.18x = 127,769.16 × 35,222.15
  4. Step 4: Simplify right side
    85,169.18x = 4,500,304,518.89
  5. Step 5: Solve for x
    x = 4,500,304,518.89/85,169.18
  6. Step 6: Final answer
    x = 52,839.59

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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.