Home / 179,731.09-269,391.64-112,294.13

Finding the Fourth Proportional to 179,731.09, 269,391.64 and 112,294.13

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Solution

The fourth proportional to 179,731.09, 269,391.64 and 112,294.13 is: 168,313.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,731.09 : 269,391.64 = 112,294.13 : x
  2. Step 2: Convert to fraction form
    179,731.09/269,391.64 = 112,294.13/x
  3. Step 3: Cross multiply
    179,731.09x = 269,391.64 × 112,294.13
  4. Step 4: Simplify right side
    179,731.09x = 30,251,099,955.08
  5. Step 5: Solve for x
    x = 30,251,099,955.08/179,731.09
  6. Step 6: Final answer
    x = 168,313.12

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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.