Home / 131,932.54-182,069.11-71,505.12

Finding the Fourth Proportional to 131,932.54, 182,069.11 and 71,505.12

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Solution

The fourth proportional to 131,932.54, 182,069.11 and 71,505.12 is: 98,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,932.54 : 182,069.11 = 71,505.12 : x
  2. Step 2: Convert to fraction form
    131,932.54/182,069.11 = 71,505.12/x
  3. Step 3: Cross multiply
    131,932.54x = 182,069.11 × 71,505.12
  4. Step 4: Simplify right side
    131,932.54x = 13,018,873,558.84
  5. Step 5: Solve for x
    x = 13,018,873,558.84/131,932.54
  6. Step 6: Final answer
    x = 98,678.26

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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.