Home / 135,924.76-187,576.16-76,308.76

Finding the Fourth Proportional to 135,924.76, 187,576.16 and 76,308.76

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Solution

The fourth proportional to 135,924.76, 187,576.16 and 76,308.76 is: 105,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,924.76 : 187,576.16 = 76,308.76 : x
  2. Step 2: Convert to fraction form
    135,924.76/187,576.16 = 76,308.76/x
  3. Step 3: Cross multiply
    135,924.76x = 187,576.16 × 76,308.76
  4. Step 4: Simplify right side
    135,924.76x = 14,313,704,175.16
  5. Step 5: Solve for x
    x = 14,313,704,175.16/135,924.76
  6. Step 6: Final answer
    x = 105,306.08

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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.