Home / 192,813.95-288,844.26-132,831.83

Finding the Fourth Proportional to 192,813.95, 288,844.26 and 132,831.83

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Solution

The fourth proportional to 192,813.95, 288,844.26 and 132,831.83 is: 198,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,813.95 : 288,844.26 = 132,831.83 : x
  2. Step 2: Convert to fraction form
    192,813.95/288,844.26 = 132,831.83/x
  3. Step 3: Cross multiply
    192,813.95x = 288,844.26 × 132,831.83
  4. Step 4: Simplify right side
    192,813.95x = 38,367,710,196.57
  5. Step 5: Solve for x
    x = 38,367,710,196.57/192,813.95
  6. Step 6: Final answer
    x = 198,988.25

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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.