Home / 192,502.04-288,802.25-80,144.91

Finding the Fourth Proportional to 192,502.04, 288,802.25 and 80,144.91

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Solution

The fourth proportional to 192,502.04, 288,802.25 and 80,144.91 is: 120,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,502.04 : 288,802.25 = 80,144.91 : x
  2. Step 2: Convert to fraction form
    192,502.04/288,802.25 = 80,144.91/x
  3. Step 3: Cross multiply
    192,502.04x = 288,802.25 × 80,144.91
  4. Step 4: Simplify right side
    192,502.04x = 23,146,030,233.87
  5. Step 5: Solve for x
    x = 23,146,030,233.87/192,502.04
  6. Step 6: Final answer
    x = 120,237.85

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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.