Home / 161,816.10-242,594.55-68,244.90

Finding the Fourth Proportional to 161,816.10, 242,594.55 and 68,244.90

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Solution

The fourth proportional to 161,816.10, 242,594.55 and 68,244.90 is: 102,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,816.10 : 242,594.55 = 68,244.90 : x
  2. Step 2: Convert to fraction form
    161,816.10/242,594.55 = 68,244.90/x
  3. Step 3: Cross multiply
    161,816.10x = 242,594.55 × 68,244.90
  4. Step 4: Simplify right side
    161,816.10x = 16,555,840,805.30
  5. Step 5: Solve for x
    x = 16,555,840,805.30/161,816.10
  6. Step 6: Final answer
    x = 102,312.69

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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.