Home / 161,869.20-242,585.10-108,409.20

Finding the Fourth Proportional to 161,869.20, 242,585.10 and 108,409.20

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Solution

The fourth proportional to 161,869.20, 242,585.10 and 108,409.20 is: 162,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,869.20 : 242,585.10 = 108,409.20 : x
  2. Step 2: Convert to fraction form
    161,869.20/242,585.10 = 108,409.20/x
  3. Step 3: Cross multiply
    161,869.20x = 242,585.10 × 108,409.20
  4. Step 4: Simplify right side
    161,869.20x = 26,298,456,622.92
  5. Step 5: Solve for x
    x = 26,298,456,622.92/161,869.20
  6. Step 6: Final answer
    x = 162,467.33

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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.