Home / 85,257.41-127,732.86-50,177.93

Finding the Fourth Proportional to 85,257.41, 127,732.86 and 50,177.93

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Solution

The fourth proportional to 85,257.41, 127,732.86 and 50,177.93 is: 75,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.41 : 127,732.86 = 50,177.93 : x
  2. Step 2: Convert to fraction form
    85,257.41/127,732.86 = 50,177.93/x
  3. Step 3: Cross multiply
    85,257.41x = 127,732.86 × 50,177.93
  4. Step 4: Simplify right side
    85,257.41x = 6,409,369,869.12
  5. Step 5: Solve for x
    x = 6,409,369,869.12/85,257.41
  6. Step 6: Final answer
    x = 75,176.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.