Home / 136,932.70-205,399.05-48,286.30

Finding the Fourth Proportional to 136,932.70, 205,399.05 and 48,286.30

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Solution

The fourth proportional to 136,932.70, 205,399.05 and 48,286.30 is: 72,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932.70 : 205,399.05 = 48,286.30 : x
  2. Step 2: Convert to fraction form
    136,932.70/205,399.05 = 48,286.30/x
  3. Step 3: Cross multiply
    136,932.70x = 205,399.05 × 48,286.30
  4. Step 4: Simplify right side
    136,932.70x = 9,917,960,148.02
  5. Step 5: Solve for x
    x = 9,917,960,148.02/136,932.70
  6. Step 6: Final answer
    x = 72,429.45

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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.