Home / 132,544.45-198,741.40-90,475.48

Finding the Fourth Proportional to 132,544.45, 198,741.40 and 90,475.48

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Solution

The fourth proportional to 132,544.45, 198,741.40 and 90,475.48 is: 135,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.45 : 198,741.40 = 90,475.48 : x
  2. Step 2: Convert to fraction form
    132,544.45/198,741.40 = 90,475.48/x
  3. Step 3: Cross multiply
    132,544.45x = 198,741.40 × 90,475.48
  4. Step 4: Simplify right side
    132,544.45x = 17,981,223,583.11
  5. Step 5: Solve for x
    x = 17,981,223,583.11/132,544.45
  6. Step 6: Final answer
    x = 135,661.84

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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.