Home / 135,233.46-186,559.34-87,502.19

Finding the Fourth Proportional to 135,233.46, 186,559.34 and 87,502.19

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Solution

The fourth proportional to 135,233.46, 186,559.34 and 87,502.19 is: 120,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,233.46 : 186,559.34 = 87,502.19 : x
  2. Step 2: Convert to fraction form
    135,233.46/186,559.34 = 87,502.19/x
  3. Step 3: Cross multiply
    135,233.46x = 186,559.34 × 87,502.19
  4. Step 4: Simplify right side
    135,233.46x = 16,324,349,444.65
  5. Step 5: Solve for x
    x = 16,324,349,444.65/135,233.46
  6. Step 6: Final answer
    x = 120,712.36

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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.