Home / 197,292.43-272,280.23-120,811.15

Finding the Fourth Proportional to 197,292.43, 272,280.23 and 120,811.15

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Solution

The fourth proportional to 197,292.43, 272,280.23 and 120,811.15 is: 166,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,292.43 : 272,280.23 = 120,811.15 : x
  2. Step 2: Convert to fraction form
    197,292.43/272,280.23 = 120,811.15/x
  3. Step 3: Cross multiply
    197,292.43x = 272,280.23 × 120,811.15
  4. Step 4: Simplify right side
    197,292.43x = 32,894,486,876.85
  5. Step 5: Solve for x
    x = 32,894,486,876.85/197,292.43
  6. Step 6: Final answer
    x = 166,729.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.