Home / 135,760.25-187,348.54-75,330.75

Finding the Fourth Proportional to 135,760.25, 187,348.54 and 75,330.75

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Solution

The fourth proportional to 135,760.25, 187,348.54 and 75,330.75 is: 103,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,760.25 : 187,348.54 = 75,330.75 : x
  2. Step 2: Convert to fraction form
    135,760.25/187,348.54 = 75,330.75/x
  3. Step 3: Cross multiply
    135,760.25x = 187,348.54 × 75,330.75
  4. Step 4: Simplify right side
    135,760.25x = 14,113,106,543.84
  5. Step 5: Solve for x
    x = 14,113,106,543.84/135,760.25
  6. Step 6: Final answer
    x = 103,956.10

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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.