Home / 127,529.40-191,286.72-48,651.60

Finding the Fourth Proportional to 127,529.40, 191,286.72 and 48,651.60

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Solution

The fourth proportional to 127,529.40, 191,286.72 and 48,651.60 is: 72,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,529.40 : 191,286.72 = 48,651.60 : x
  2. Step 2: Convert to fraction form
    127,529.40/191,286.72 = 48,651.60/x
  3. Step 3: Cross multiply
    127,529.40x = 191,286.72 × 48,651.60
  4. Step 4: Simplify right side
    127,529.40x = 9,306,404,986.75
  5. Step 5: Solve for x
    x = 9,306,404,986.75/127,529.40
  6. Step 6: Final answer
    x = 72,974.58

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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.