Home / 192,002.10-288,003.15-122,190.90

Finding the Fourth Proportional to 192,002.10, 288,003.15 and 122,190.90

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Solution

The fourth proportional to 192,002.10, 288,003.15 and 122,190.90 is: 183,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,002.10 : 288,003.15 = 122,190.90 : x
  2. Step 2: Convert to fraction form
    192,002.10/288,003.15 = 122,190.90/x
  3. Step 3: Cross multiply
    192,002.10x = 288,003.15 × 122,190.90
  4. Step 4: Simplify right side
    192,002.10x = 35,191,364,101.34
  5. Step 5: Solve for x
    x = 35,191,364,101.34/192,002.10
  6. Step 6: Final answer
    x = 183,286.35

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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.