Home / 238,923.74-329,708.12-135,576.76

Finding the Fourth Proportional to 238,923.74, 329,708.12 and 135,576.76

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Solution

The fourth proportional to 238,923.74, 329,708.12 and 135,576.76 is: 187,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,923.74 : 329,708.12 = 135,576.76 : x
  2. Step 2: Convert to fraction form
    238,923.74/329,708.12 = 135,576.76/x
  3. Step 3: Cross multiply
    238,923.74x = 329,708.12 × 135,576.76
  4. Step 4: Simplify right side
    238,923.74x = 44,700,758,655.29
  5. Step 5: Solve for x
    x = 44,700,758,655.29/238,923.74
  6. Step 6: Final answer
    x = 187,092.16

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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.