Home / 243,175.46-335,615.85-135,752.45

Finding the Fourth Proportional to 243,175.46, 335,615.85 and 135,752.45

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Solution

The fourth proportional to 243,175.46, 335,615.85 and 135,752.45 is: 187,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,175.46 : 335,615.85 = 135,752.45 : x
  2. Step 2: Convert to fraction form
    243,175.46/335,615.85 = 135,752.45/x
  3. Step 3: Cross multiply
    243,175.46x = 335,615.85 × 135,752.45
  4. Step 4: Simplify right side
    243,175.46x = 45,560,672,218.25
  5. Step 5: Solve for x
    x = 45,560,672,218.25/243,175.46
  6. Step 6: Final answer
    x = 187,357.20

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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.