Home / 134,306.97-185,310.09-86,502.81

Finding the Fourth Proportional to 134,306.97, 185,310.09 and 86,502.81

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Solution

The fourth proportional to 134,306.97, 185,310.09 and 86,502.81 is: 119,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,306.97 : 185,310.09 = 86,502.81 : x
  2. Step 2: Convert to fraction form
    134,306.97/185,310.09 = 86,502.81/x
  3. Step 3: Cross multiply
    134,306.97x = 185,310.09 × 86,502.81
  4. Step 4: Simplify right side
    134,306.97x = 16,029,843,506.35
  5. Step 5: Solve for x
    x = 16,029,843,506.35/134,306.97
  6. Step 6: Final answer
    x = 119,352.28

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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.