Home / 192,145.95-288,232.70-55,363.45

Finding the Fourth Proportional to 192,145.95, 288,232.70 and 55,363.45

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Solution

The fourth proportional to 192,145.95, 288,232.70 and 55,363.45 is: 83,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,145.95 : 288,232.70 = 55,363.45 : x
  2. Step 2: Convert to fraction form
    192,145.95/288,232.70 = 55,363.45/x
  3. Step 3: Cross multiply
    192,145.95x = 288,232.70 × 55,363.45
  4. Step 4: Simplify right side
    192,145.95x = 15,957,556,684.98
  5. Step 5: Solve for x
    x = 15,957,556,684.98/192,145.95
  6. Step 6: Final answer
    x = 83,049.15

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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.