Home / 146,016.62-201,503.66-81,488.75

Finding the Fourth Proportional to 146,016.62, 201,503.66 and 81,488.75

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Solution

The fourth proportional to 146,016.62, 201,503.66 and 81,488.75 is: 112,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,016.62 : 201,503.66 = 81,488.75 : x
  2. Step 2: Convert to fraction form
    146,016.62/201,503.66 = 81,488.75/x
  3. Step 3: Cross multiply
    146,016.62x = 201,503.66 × 81,488.75
  4. Step 4: Simplify right side
    146,016.62x = 16,420,280,966.38
  5. Step 5: Solve for x
    x = 16,420,280,966.38/146,016.62
  6. Step 6: Final answer
    x = 112,454.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.