Home / 192,248.25-288,121.54-139,119.18

Finding the Fourth Proportional to 192,248.25, 288,121.54 and 139,119.18

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Solution

The fourth proportional to 192,248.25, 288,121.54 and 139,119.18 is: 208,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,248.25 : 288,121.54 = 139,119.18 : x
  2. Step 2: Convert to fraction form
    192,248.25/288,121.54 = 139,119.18/x
  3. Step 3: Cross multiply
    192,248.25x = 288,121.54 × 139,119.18
  4. Step 4: Simplify right side
    192,248.25x = 40,083,232,385.14
  5. Step 5: Solve for x
    x = 40,083,232,385.14/192,248.25
  6. Step 6: Final answer
    x = 208,497.26

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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.