Home / 103,724.88-155,552.68-40,528.54

Finding the Fourth Proportional to 103,724.88, 155,552.68 and 40,528.54

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Solution

The fourth proportional to 103,724.88, 155,552.68 and 40,528.54 is: 60,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,724.88 : 155,552.68 = 40,528.54 : x
  2. Step 2: Convert to fraction form
    103,724.88/155,552.68 = 40,528.54/x
  3. Step 3: Cross multiply
    103,724.88x = 155,552.68 × 40,528.54
  4. Step 4: Simplify right side
    103,724.88x = 6,304,323,013.49
  5. Step 5: Solve for x
    x = 6,304,323,013.49/103,724.88
  6. Step 6: Final answer
    x = 60,779.28

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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.