Home / 190,636.20-285,951.06-72,304.92

Finding the Fourth Proportional to 190,636.20, 285,951.06 and 72,304.92

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Solution

The fourth proportional to 190,636.20, 285,951.06 and 72,304.92 is: 108,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,636.20 : 285,951.06 = 72,304.92 : x
  2. Step 2: Convert to fraction form
    190,636.20/285,951.06 = 72,304.92/x
  3. Step 3: Cross multiply
    190,636.20x = 285,951.06 × 72,304.92
  4. Step 4: Simplify right side
    190,636.20x = 20,675,668,517.22
  5. Step 5: Solve for x
    x = 20,675,668,517.22/190,636.20
  6. Step 6: Final answer
    x = 108,456.15

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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.