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Finding the Fourth Proportional to 127,998.80, 192,055.80 and 44,952.40

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Solution

The fourth proportional to 127,998.80, 192,055.80 and 44,952.40 is: 67,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,998.80 : 192,055.80 = 44,952.40 : x
  2. Step 2: Convert to fraction form
    127,998.80/192,055.80 = 44,952.40/x
  3. Step 3: Cross multiply
    127,998.80x = 192,055.80 × 44,952.40
  4. Step 4: Simplify right side
    127,998.80x = 8,633,369,143.92
  5. Step 5: Solve for x
    x = 8,633,369,143.92/127,998.80
  6. Step 6: Final answer
    x = 67,448.83

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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.