Home / 243,334.10-335,767.87-135,890.43

Finding the Fourth Proportional to 243,334.10, 335,767.87 and 135,890.43

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Solution

The fourth proportional to 243,334.10, 335,767.87 and 135,890.43 is: 187,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,334.10 : 335,767.87 = 135,890.43 : x
  2. Step 2: Convert to fraction form
    243,334.10/335,767.87 = 135,890.43/x
  3. Step 3: Cross multiply
    243,334.10x = 335,767.87 × 135,890.43
  4. Step 4: Simplify right side
    243,334.10x = 45,627,640,234.48
  5. Step 5: Solve for x
    x = 45,627,640,234.48/243,334.10
  6. Step 6: Final answer
    x = 187,510.26

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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.