Home / 106,160.62-146,440.83-66,347.50

Finding the Fourth Proportional to 106,160.62, 146,440.83 and 66,347.50

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Solution

The fourth proportional to 106,160.62, 146,440.83 and 66,347.50 is: 91,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,160.62 : 146,440.83 = 66,347.50 : x
  2. Step 2: Convert to fraction form
    106,160.62/146,440.83 = 66,347.50/x
  3. Step 3: Cross multiply
    106,160.62x = 146,440.83 × 66,347.50
  4. Step 4: Simplify right side
    106,160.62x = 9,715,982,968.43
  5. Step 5: Solve for x
    x = 9,715,982,968.43/106,160.62
  6. Step 6: Final answer
    x = 91,521.54

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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.