Home / 162,116.10-243,044.55-68,544.90

Finding the Fourth Proportional to 162,116.10, 243,044.55 and 68,544.90

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Solution

The fourth proportional to 162,116.10, 243,044.55 and 68,544.90 is: 102,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,116.10 : 243,044.55 = 68,544.90 : x
  2. Step 2: Convert to fraction form
    162,116.10/243,044.55 = 68,544.90/x
  3. Step 3: Cross multiply
    162,116.10x = 243,044.55 × 68,544.90
  4. Step 4: Simplify right side
    162,116.10x = 16,659,464,375.30
  5. Step 5: Solve for x
    x = 16,659,464,375.30/162,116.10
  6. Step 6: Final answer
    x = 102,762.55

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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.