Home / 103,722.25-155,518.94-43,719.85

Finding the Fourth Proportional to 103,722.25, 155,518.94 and 43,719.85

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Solution

The fourth proportional to 103,722.25, 155,518.94 and 43,719.85 is: 65,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,722.25 : 155,518.94 = 43,719.85 : x
  2. Step 2: Convert to fraction form
    103,722.25/155,518.94 = 43,719.85/x
  3. Step 3: Cross multiply
    103,722.25x = 155,518.94 × 43,719.85
  4. Step 4: Simplify right side
    103,722.25x = 6,799,265,032.77
  5. Step 5: Solve for x
    x = 6,799,265,032.77/103,722.25
  6. Step 6: Final answer
    x = 65,552.62

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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.