Home / 135,682.76-187,253.70-75,272.86

Finding the Fourth Proportional to 135,682.76, 187,253.70 and 75,272.86

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Solution

The fourth proportional to 135,682.76, 187,253.70 and 75,272.86 is: 103,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,682.76 : 187,253.70 = 75,272.86 : x
  2. Step 2: Convert to fraction form
    135,682.76/187,253.70 = 75,272.86/x
  3. Step 3: Cross multiply
    135,682.76x = 187,253.70 × 75,272.86
  4. Step 4: Simplify right side
    135,682.76x = 14,095,121,544.58
  5. Step 5: Solve for x
    x = 14,095,121,544.58/135,682.76
  6. Step 6: Final answer
    x = 103,882.92

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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.