Home / 161,734.20-242,612.10-55,116.60

Finding the Fourth Proportional to 161,734.20, 242,612.10 and 55,116.60

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Solution

The fourth proportional to 161,734.20, 242,612.10 and 55,116.60 is: 82,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,734.20 : 242,612.10 = 55,116.60 : x
  2. Step 2: Convert to fraction form
    161,734.20/242,612.10 = 55,116.60/x
  3. Step 3: Cross multiply
    161,734.20x = 242,612.10 × 55,116.60
  4. Step 4: Simplify right side
    161,734.20x = 13,371,954,070.86
  5. Step 5: Solve for x
    x = 13,371,954,070.86/161,734.20
  6. Step 6: Final answer
    x = 82,678.58

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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.