Home / 135,827.43-187,432.95-75,395.13

Finding the Fourth Proportional to 135,827.43, 187,432.95 and 75,395.13

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Solution

The fourth proportional to 135,827.43, 187,432.95 and 75,395.13 is: 104,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,827.43 : 187,432.95 = 75,395.13 : x
  2. Step 2: Convert to fraction form
    135,827.43/187,432.95 = 75,395.13/x
  3. Step 3: Cross multiply
    135,827.43x = 187,432.95 × 75,395.13
  4. Step 4: Simplify right side
    135,827.43x = 14,131,531,631.53
  5. Step 5: Solve for x
    x = 14,131,531,631.53/135,827.43
  6. Step 6: Final answer
    x = 104,040.34

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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.