Home / 103,445.20-155,167.80-44,286.85

Finding the Fourth Proportional to 103,445.20, 155,167.80 and 44,286.85

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Solution

The fourth proportional to 103,445.20, 155,167.80 and 44,286.85 is: 66,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,445.20 : 155,167.80 = 44,286.85 : x
  2. Step 2: Convert to fraction form
    103,445.20/155,167.80 = 44,286.85/x
  3. Step 3: Cross multiply
    103,445.20x = 155,167.80 × 44,286.85
  4. Step 4: Simplify right side
    103,445.20x = 6,871,893,083.43
  5. Step 5: Solve for x
    x = 6,871,893,083.43/103,445.20
  6. Step 6: Final answer
    x = 66,430.28

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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.