Home / 135,929.43-187,573.19-75,498.57

Finding the Fourth Proportional to 135,929.43, 187,573.19 and 75,498.57

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Solution

The fourth proportional to 135,929.43, 187,573.19 and 75,498.57 is: 104,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,929.43 : 187,573.19 = 75,498.57 : x
  2. Step 2: Convert to fraction form
    135,929.43/187,573.19 = 75,498.57/x
  3. Step 3: Cross multiply
    135,929.43x = 187,573.19 × 75,498.57
  4. Step 4: Simplify right side
    135,929.43x = 14,161,507,237.85
  5. Step 5: Solve for x
    x = 14,161,507,237.85/135,929.43
  6. Step 6: Final answer
    x = 104,182.79

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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.