Home / 135,751.38-187,334.03-75,320.72

Finding the Fourth Proportional to 135,751.38, 187,334.03 and 75,320.72

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Solution

The fourth proportional to 135,751.38, 187,334.03 and 75,320.72 is: 103,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,751.38 : 187,334.03 = 75,320.72 : x
  2. Step 2: Convert to fraction form
    135,751.38/187,334.03 = 75,320.72/x
  3. Step 3: Cross multiply
    135,751.38x = 187,334.03 × 75,320.72
  4. Step 4: Simplify right side
    135,751.38x = 14,110,133,974.24
  5. Step 5: Solve for x
    x = 14,110,133,974.24/135,751.38
  6. Step 6: Final answer
    x = 103,941.00

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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.