Home / 144,784.87-217,204.61-54,854.55

Finding the Fourth Proportional to 144,784.87, 217,204.61 and 54,854.55

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Solution

The fourth proportional to 144,784.87, 217,204.61 and 54,854.55 is: 82,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,784.87 : 217,204.61 = 54,854.55 : x
  2. Step 2: Convert to fraction form
    144,784.87/217,204.61 = 54,854.55/x
  3. Step 3: Cross multiply
    144,784.87x = 217,204.61 × 54,854.55
  4. Step 4: Simplify right side
    144,784.87x = 11,914,660,865.20
  5. Step 5: Solve for x
    x = 11,914,660,865.20/144,784.87
  6. Step 6: Final answer
    x = 82,292.17

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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.