Home / 197,144.94-272,065.62-109,932.05

Finding the Fourth Proportional to 197,144.94, 272,065.62 and 109,932.05

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Solution

The fourth proportional to 197,144.94, 272,065.62 and 109,932.05 is: 151,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,144.94 : 272,065.62 = 109,932.05 : x
  2. Step 2: Convert to fraction form
    197,144.94/272,065.62 = 109,932.05/x
  3. Step 3: Cross multiply
    197,144.94x = 272,065.62 × 109,932.05
  4. Step 4: Simplify right side
    197,144.94x = 29,908,731,341.12
  5. Step 5: Solve for x
    x = 29,908,731,341.12/197,144.94
  6. Step 6: Final answer
    x = 151,709.35

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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.