Home / 243,387.27-335,875.16-134,489.25

Finding the Fourth Proportional to 243,387.27, 335,875.16 and 134,489.25

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Solution

The fourth proportional to 243,387.27, 335,875.16 and 134,489.25 is: 185,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,387.27 : 335,875.16 = 134,489.25 : x
  2. Step 2: Convert to fraction form
    243,387.27/335,875.16 = 134,489.25/x
  3. Step 3: Cross multiply
    243,387.27x = 335,875.16 × 134,489.25
  4. Step 4: Simplify right side
    243,387.27x = 45,171,597,689.58
  5. Step 5: Solve for x
    x = 45,171,597,689.58/243,387.27
  6. Step 6: Final answer
    x = 185,595.56

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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.