Home / 135,233.46-186,559.32-87,502.20

Finding the Fourth Proportional to 135,233.46, 186,559.32 and 87,502.20

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Solution

The fourth proportional to 135,233.46, 186,559.32 and 87,502.20 is: 120,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,233.46 : 186,559.32 = 87,502.20 : x
  2. Step 2: Convert to fraction form
    135,233.46/186,559.32 = 87,502.20/x
  3. Step 3: Cross multiply
    135,233.46x = 186,559.32 × 87,502.20
  4. Step 4: Simplify right side
    135,233.46x = 16,324,350,930.50
  5. Step 5: Solve for x
    x = 16,324,350,930.50/135,233.46
  6. Step 6: Final answer
    x = 120,712.37

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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.