Home / 135,833.60-187,441.35-75,401.26

Finding the Fourth Proportional to 135,833.60, 187,441.35 and 75,401.26

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Solution

The fourth proportional to 135,833.60, 187,441.35 and 75,401.26 is: 104,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,833.60 : 187,441.35 = 75,401.26 : x
  2. Step 2: Convert to fraction form
    135,833.60/187,441.35 = 75,401.26/x
  3. Step 3: Cross multiply
    135,833.60x = 187,441.35 × 75,401.26
  4. Step 4: Simplify right side
    135,833.60x = 14,133,313,028.89
  5. Step 5: Solve for x
    x = 14,133,313,028.89/135,833.60
  6. Step 6: Final answer
    x = 104,048.73

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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.