Home / 106,385.49-146,796.17-61,065.18

Finding the Fourth Proportional to 106,385.49, 146,796.17 and 61,065.18

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Solution

The fourth proportional to 106,385.49, 146,796.17 and 61,065.18 is: 84,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,385.49 : 146,796.17 = 61,065.18 : x
  2. Step 2: Convert to fraction form
    106,385.49/146,796.17 = 61,065.18/x
  3. Step 3: Cross multiply
    106,385.49x = 146,796.17 × 61,065.18
  4. Step 4: Simplify right side
    106,385.49x = 8,964,134,239.03
  5. Step 5: Solve for x
    x = 8,964,134,239.03/106,385.49
  6. Step 6: Final answer
    x = 84,260.87

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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.