Home / 144,976.40-217,464.60-39,795.20

Finding the Fourth Proportional to 144,976.40, 217,464.60 and 39,795.20

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Solution

The fourth proportional to 144,976.40, 217,464.60 and 39,795.20 is: 59,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,976.40 : 217,464.60 = 39,795.20 : x
  2. Step 2: Convert to fraction form
    144,976.40/217,464.60 = 39,795.20/x
  3. Step 3: Cross multiply
    144,976.40x = 217,464.60 × 39,795.20
  4. Step 4: Simplify right side
    144,976.40x = 8,654,047,249.92
  5. Step 5: Solve for x
    x = 8,654,047,249.92/144,976.40
  6. Step 6: Final answer
    x = 59,692.80

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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.