Home / 134,243.84-185,215.46-88,290.38

Finding the Fourth Proportional to 134,243.84, 185,215.46 and 88,290.38

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Solution

The fourth proportional to 134,243.84, 185,215.46 and 88,290.38 is: 121,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,243.84 : 185,215.46 = 88,290.38 : x
  2. Step 2: Convert to fraction form
    134,243.84/185,215.46 = 88,290.38/x
  3. Step 3: Cross multiply
    134,243.84x = 185,215.46 × 88,290.38
  4. Step 4: Simplify right side
    134,243.84x = 16,352,743,345.27
  5. Step 5: Solve for x
    x = 16,352,743,345.27/134,243.84
  6. Step 6: Final answer
    x = 121,813.73

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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.