Home / 161,874.20-242,552.10-106,405.40

Finding the Fourth Proportional to 161,874.20, 242,552.10 and 106,405.40

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Solution

The fourth proportional to 161,874.20, 242,552.10 and 106,405.40 is: 159,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,874.20 : 242,552.10 = 106,405.40 : x
  2. Step 2: Convert to fraction form
    161,874.20/242,552.10 = 106,405.40/x
  3. Step 3: Cross multiply
    161,874.20x = 242,552.10 × 106,405.40
  4. Step 4: Simplify right side
    161,874.20x = 25,808,853,221.34
  5. Step 5: Solve for x
    x = 25,808,853,221.34/161,874.20
  6. Step 6: Final answer
    x = 159,437.72

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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.