Home / 243,983.46-365,937.78-66,504.72

Finding the Fourth Proportional to 243,983.46, 365,937.78 and 66,504.72

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Solution

The fourth proportional to 243,983.46, 365,937.78 and 66,504.72 is: 99,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,983.46 : 365,937.78 = 66,504.72 : x
  2. Step 2: Convert to fraction form
    243,983.46/365,937.78 = 66,504.72/x
  3. Step 3: Cross multiply
    243,983.46x = 365,937.78 × 66,504.72
  4. Step 4: Simplify right side
    243,983.46x = 24,336,589,596.32
  5. Step 5: Solve for x
    x = 24,336,589,596.32/243,983.46
  6. Step 6: Final answer
    x = 99,746.88

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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.