Home / 78,199.43-117,306.05-22,040.01

Finding the Fourth Proportional to 78,199.43, 117,306.05 and 22,040.01

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Solution

The fourth proportional to 78,199.43, 117,306.05 and 22,040.01 is: 33,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,199.43 : 117,306.05 = 22,040.01 : x
  2. Step 2: Convert to fraction form
    78,199.43/117,306.05 = 22,040.01/x
  3. Step 3: Cross multiply
    78,199.43x = 117,306.05 × 22,040.01
  4. Step 4: Simplify right side
    78,199.43x = 2,585,426,404.86
  5. Step 5: Solve for x
    x = 2,585,426,404.86/78,199.43
  6. Step 6: Final answer
    x = 33,061.96

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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.