Home / 145,086.12-217,713.76-60,839.80

Finding the Fourth Proportional to 145,086.12, 217,713.76 and 60,839.80

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Solution

The fourth proportional to 145,086.12, 217,713.76 and 60,839.80 is: 91,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,086.12 : 217,713.76 = 60,839.80 : x
  2. Step 2: Convert to fraction form
    145,086.12/217,713.76 = 60,839.80/x
  3. Step 3: Cross multiply
    145,086.12x = 217,713.76 × 60,839.80
  4. Step 4: Simplify right side
    145,086.12x = 13,245,660,919.26
  5. Step 5: Solve for x
    x = 13,245,660,919.26/145,086.12
  6. Step 6: Final answer
    x = 91,295.16

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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.