Home / 96,986.13-145,371.33-40,809.66

Finding the Fourth Proportional to 96,986.13, 145,371.33 and 40,809.66

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Solution

The fourth proportional to 96,986.13, 145,371.33 and 40,809.66 is: 61,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.13 : 145,371.33 = 40,809.66 : x
  2. Step 2: Convert to fraction form
    96,986.13/145,371.33 = 40,809.66/x
  3. Step 3: Cross multiply
    96,986.13x = 145,371.33 × 40,809.66
  4. Step 4: Simplify right side
    96,986.13x = 5,932,554,551.05
  5. Step 5: Solve for x
    x = 5,932,554,551.05/96,986.13
  6. Step 6: Final answer
    x = 61,169.10

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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.