Home / 135,823.43-187,427.44-75,391.13

Finding the Fourth Proportional to 135,823.43, 187,427.44 and 75,391.13

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Solution

The fourth proportional to 135,823.43, 187,427.44 and 75,391.13 is: 104,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,823.43 : 187,427.44 = 75,391.13 : x
  2. Step 2: Convert to fraction form
    135,823.43/187,427.44 = 75,391.13/x
  3. Step 3: Cross multiply
    135,823.43x = 187,427.44 × 75,391.13
  4. Step 4: Simplify right side
    135,823.43x = 14,130,366,494.61
  5. Step 5: Solve for x
    x = 14,130,366,494.61/135,823.43
  6. Step 6: Final answer
    x = 104,034.82

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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.