Home / 123,454.20-185,267.70-53,383.80

Finding the Fourth Proportional to 123,454.20, 185,267.70 and 53,383.80

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Solution

The fourth proportional to 123,454.20, 185,267.70 and 53,383.80 is: 80,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,454.20 : 185,267.70 = 53,383.80 : x
  2. Step 2: Convert to fraction form
    123,454.20/185,267.70 = 53,383.80/x
  3. Step 3: Cross multiply
    123,454.20x = 185,267.70 × 53,383.80
  4. Step 4: Simplify right side
    123,454.20x = 9,890,293,843.26
  5. Step 5: Solve for x
    x = 9,890,293,843.26/123,454.20
  6. Step 6: Final answer
    x = 80,113.06

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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.