Home / 204,081.20-306,121.85-59,987.04

Finding the Fourth Proportional to 204,081.20, 306,121.85 and 59,987.04

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Solution

The fourth proportional to 204,081.20, 306,121.85 and 59,987.04 is: 89,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,081.20 : 306,121.85 = 59,987.04 : x
  2. Step 2: Convert to fraction form
    204,081.20/306,121.85 = 59,987.04/x
  3. Step 3: Cross multiply
    204,081.20x = 306,121.85 × 59,987.04
  4. Step 4: Simplify right side
    204,081.20x = 18,363,343,660.82
  5. Step 5: Solve for x
    x = 18,363,343,660.82/204,081.20
  6. Step 6: Final answer
    x = 89,980.58

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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.