Home / 182,125.20-273,187.80-128,981.10

Finding the Fourth Proportional to 182,125.20, 273,187.80 and 128,981.10

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Solution

The fourth proportional to 182,125.20, 273,187.80 and 128,981.10 is: 193,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,125.20 : 273,187.80 = 128,981.10 : x
  2. Step 2: Convert to fraction form
    182,125.20/273,187.80 = 128,981.10/x
  3. Step 3: Cross multiply
    182,125.20x = 273,187.80 × 128,981.10
  4. Step 4: Simplify right side
    182,125.20x = 35,236,062,950.58
  5. Step 5: Solve for x
    x = 35,236,062,950.58/182,125.20
  6. Step 6: Final answer
    x = 193,471.65

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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.