Home / 135,881.03-187,496.31-75,452.40

Finding the Fourth Proportional to 135,881.03, 187,496.31 and 75,452.40

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Solution

The fourth proportional to 135,881.03, 187,496.31 and 75,452.40 is: 104,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,881.03 : 187,496.31 = 75,452.40 : x
  2. Step 2: Convert to fraction form
    135,881.03/187,496.31 = 75,452.40/x
  3. Step 3: Cross multiply
    135,881.03x = 187,496.31 × 75,452.40
  4. Step 4: Simplify right side
    135,881.03x = 14,147,046,580.64
  5. Step 5: Solve for x
    x = 14,147,046,580.64/135,881.03
  6. Step 6: Final answer
    x = 104,113.48

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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.