Home / 134,982.18-186,299.26-77,616.97

Finding the Fourth Proportional to 134,982.18, 186,299.26 and 77,616.97

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Solution

The fourth proportional to 134,982.18, 186,299.26 and 77,616.97 is: 107,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,982.18 : 186,299.26 = 77,616.97 : x
  2. Step 2: Convert to fraction form
    134,982.18/186,299.26 = 77,616.97/x
  3. Step 3: Cross multiply
    134,982.18x = 186,299.26 × 77,616.97
  4. Step 4: Simplify right side
    134,982.18x = 14,459,983,414.65
  5. Step 5: Solve for x
    x = 14,459,983,414.65/134,982.18
  6. Step 6: Final answer
    x = 107,125.13

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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.