Home / 243,945.92-336,601.09-140,564

Finding the Fourth Proportional to 243,945.92, 336,601.09 and 140,564

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Solution

The fourth proportional to 243,945.92, 336,601.09 and 140,564 is: 193,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,945.92 : 336,601.09 = 140,564 : x
  2. Step 2: Convert to fraction form
    243,945.92/336,601.09 = 140,564/x
  3. Step 3: Cross multiply
    243,945.92x = 336,601.09 × 140,564
  4. Step 4: Simplify right side
    243,945.92x = 47,313,995,614.76
  5. Step 5: Solve for x
    x = 47,313,995,614.76/243,945.92
  6. Step 6: Final answer
    x = 193,952.81

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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.