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Finding the Fourth Proportional to 144,139.92, 216,209.88 and 50,623.80

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Solution

The fourth proportional to 144,139.92, 216,209.88 and 50,623.80 is: 75,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,139.92 : 216,209.88 = 50,623.80 : x
  2. Step 2: Convert to fraction form
    144,139.92/216,209.88 = 50,623.80/x
  3. Step 3: Cross multiply
    144,139.92x = 216,209.88 × 50,623.80
  4. Step 4: Simplify right side
    144,139.92x = 10,945,365,723.14
  5. Step 5: Solve for x
    x = 10,945,365,723.14/144,139.92
  6. Step 6: Final answer
    x = 75,935.70

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1.5x scale

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.