Home / 161,747.20-242,620.80-154,921.60

Finding the Fourth Proportional to 161,747.20, 242,620.80 and 154,921.60

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Solution

The fourth proportional to 161,747.20, 242,620.80 and 154,921.60 is: 232,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,747.20 : 242,620.80 = 154,921.60 : x
  2. Step 2: Convert to fraction form
    161,747.20/242,620.80 = 154,921.60/x
  3. Step 3: Cross multiply
    161,747.20x = 242,620.80 × 154,921.60
  4. Step 4: Simplify right side
    161,747.20x = 37,587,202,529.28
  5. Step 5: Solve for x
    x = 37,587,202,529.28/161,747.20
  6. Step 6: Final answer
    x = 232,382.40

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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.