Home / 192,060.50-288,121.84-72,126.79

Finding the Fourth Proportional to 192,060.50, 288,121.84 and 72,126.79

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Solution

The fourth proportional to 192,060.50, 288,121.84 and 72,126.79 is: 108,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,060.50 : 288,121.84 = 72,126.79 : x
  2. Step 2: Convert to fraction form
    192,060.50/288,121.84 = 72,126.79/x
  3. Step 3: Cross multiply
    192,060.50x = 288,121.84 × 72,126.79
  4. Step 4: Simplify right side
    192,060.50x = 20,781,302,547.47
  5. Step 5: Solve for x
    x = 20,781,302,547.47/192,060.50
  6. Step 6: Final answer
    x = 108,201.86

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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.