Home / 103,345.38-155,052.57-40,167.53

Finding the Fourth Proportional to 103,345.38, 155,052.57 and 40,167.53

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Solution

The fourth proportional to 103,345.38, 155,052.57 and 40,167.53 is: 60,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,345.38 : 155,052.57 = 40,167.53 : x
  2. Step 2: Convert to fraction form
    103,345.38/155,052.57 = 40,167.53/x
  3. Step 3: Cross multiply
    103,345.38x = 155,052.57 × 40,167.53
  4. Step 4: Simplify right side
    103,345.38x = 6,228,078,757.05
  5. Step 5: Solve for x
    x = 6,228,078,757.05/103,345.38
  6. Step 6: Final answer
    x = 60,264.70

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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.