Home / 207,481.12-285,979.77-146,974.12

Finding the Fourth Proportional to 207,481.12, 285,979.77 and 146,974.12

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Solution

The fourth proportional to 207,481.12, 285,979.77 and 146,974.12 is: 202,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,481.12 : 285,979.77 = 146,974.12 : x
  2. Step 2: Convert to fraction form
    207,481.12/285,979.77 = 146,974.12/x
  3. Step 3: Cross multiply
    207,481.12x = 285,979.77 × 146,974.12
  4. Step 4: Simplify right side
    207,481.12x = 42,031,624,318.60
  5. Step 5: Solve for x
    x = 42,031,624,318.60/207,481.12
  6. Step 6: Final answer
    x = 202,580.48

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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.