Home / 103,636.20-155,531.10-41,351.40

Finding the Fourth Proportional to 103,636.20, 155,531.10 and 41,351.40

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Solution

The fourth proportional to 103,636.20, 155,531.10 and 41,351.40 is: 62,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.20 : 155,531.10 = 41,351.40 : x
  2. Step 2: Convert to fraction form
    103,636.20/155,531.10 = 41,351.40/x
  3. Step 3: Cross multiply
    103,636.20x = 155,531.10 × 41,351.40
  4. Step 4: Simplify right side
    103,636.20x = 6,431,428,728.54
  5. Step 5: Solve for x
    x = 6,431,428,728.54/103,636.20
  6. Step 6: Final answer
    x = 62,057.74

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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.