Home / 135,938.12-187,592.10-75,506.36

Finding the Fourth Proportional to 135,938.12, 187,592.10 and 75,506.36

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Solution

The fourth proportional to 135,938.12, 187,592.10 and 75,506.36 is: 104,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,938.12 : 187,592.10 = 75,506.36 : x
  2. Step 2: Convert to fraction form
    135,938.12/187,592.10 = 75,506.36/x
  3. Step 3: Cross multiply
    135,938.12x = 187,592.10 × 75,506.36
  4. Step 4: Simplify right side
    135,938.12x = 14,164,396,635.76
  5. Step 5: Solve for x
    x = 14,164,396,635.76/135,938.12
  6. Step 6: Final answer
    x = 104,197.39

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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.