Home / 146,963.09-220,330.42-47,065.79

Finding the Fourth Proportional to 146,963.09, 220,330.42 and 47,065.79

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Solution

The fourth proportional to 146,963.09, 220,330.42 and 47,065.79 is: 70,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,963.09 : 220,330.42 = 47,065.79 : x
  2. Step 2: Convert to fraction form
    146,963.09/220,330.42 = 47,065.79/x
  3. Step 3: Cross multiply
    146,963.09x = 220,330.42 × 47,065.79
  4. Step 4: Simplify right side
    146,963.09x = 10,370,025,278.33
  5. Step 5: Solve for x
    x = 10,370,025,278.33/146,963.09
  6. Step 6: Final answer
    x = 70,562.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.