Home / 135,010.40-202,515.60-133,042.10

Finding the Fourth Proportional to 135,010.40, 202,515.60 and 133,042.10

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Solution

The fourth proportional to 135,010.40, 202,515.60 and 133,042.10 is: 199,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,010.40 : 202,515.60 = 133,042.10 : x
  2. Step 2: Convert to fraction form
    135,010.40/202,515.60 = 133,042.10/x
  3. Step 3: Cross multiply
    135,010.40x = 202,515.60 × 133,042.10
  4. Step 4: Simplify right side
    135,010.40x = 26,943,100,706.76
  5. Step 5: Solve for x
    x = 26,943,100,706.76/135,010.40
  6. Step 6: Final answer
    x = 199,563.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.