Home / 103,919.50-155,873.61-40,750.96

Finding the Fourth Proportional to 103,919.50, 155,873.61 and 40,750.96

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Solution

The fourth proportional to 103,919.50, 155,873.61 and 40,750.96 is: 61,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,919.50 : 155,873.61 = 40,750.96 : x
  2. Step 2: Convert to fraction form
    103,919.50/155,873.61 = 40,750.96/x
  3. Step 3: Cross multiply
    103,919.50x = 155,873.61 × 40,750.96
  4. Step 4: Simplify right side
    103,919.50x = 6,351,999,246.17
  5. Step 5: Solve for x
    x = 6,351,999,246.17/103,919.50
  6. Step 6: Final answer
    x = 61,124.23

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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.