Home / 135,795.60-203,614.47-90,868.29

Finding the Fourth Proportional to 135,795.60, 203,614.47 and 90,868.29

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Solution

The fourth proportional to 135,795.60, 203,614.47 and 90,868.29 is: 136,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,795.60 : 203,614.47 = 90,868.29 : x
  2. Step 2: Convert to fraction form
    135,795.60/203,614.47 = 90,868.29/x
  3. Step 3: Cross multiply
    135,795.60x = 203,614.47 × 90,868.29
  4. Step 4: Simplify right side
    135,795.60x = 18,502,098,708.16
  5. Step 5: Solve for x
    x = 18,502,098,708.16/135,795.60
  6. Step 6: Final answer
    x = 136,249.62

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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.