Home / 243,310.32-335,764.92-135,882.24

Finding the Fourth Proportional to 243,310.32, 335,764.92 and 135,882.24

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Solution

The fourth proportional to 243,310.32, 335,764.92 and 135,882.24 is: 187,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,310.32 : 335,764.92 = 135,882.24 : x
  2. Step 2: Convert to fraction form
    243,310.32/335,764.92 = 135,882.24/x
  3. Step 3: Cross multiply
    243,310.32x = 335,764.92 × 135,882.24
  4. Step 4: Simplify right side
    243,310.32x = 45,624,489,443.02
  5. Step 5: Solve for x
    x = 45,624,489,443.02/243,310.32
  6. Step 6: Final answer
    x = 187,515.64

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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.