Home / 146,359.31-201,964.70-88,990.66

Finding the Fourth Proportional to 146,359.31, 201,964.70 and 88,990.66

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Solution

The fourth proportional to 146,359.31, 201,964.70 and 88,990.66 is: 122,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,359.31 : 201,964.70 = 88,990.66 : x
  2. Step 2: Convert to fraction form
    146,359.31/201,964.70 = 88,990.66/x
  3. Step 3: Cross multiply
    146,359.31x = 201,964.70 × 88,990.66
  4. Step 4: Simplify right side
    146,359.31x = 17,972,971,949.70
  5. Step 5: Solve for x
    x = 17,972,971,949.70/146,359.31
  6. Step 6: Final answer
    x = 122,800.34

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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.