Home / 146,782.68-202,560.09-83,132.78

Finding the Fourth Proportional to 146,782.68, 202,560.09 and 83,132.78

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Solution

The fourth proportional to 146,782.68, 202,560.09 and 83,132.78 is: 114,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,782.68 : 202,560.09 = 83,132.78 : x
  2. Step 2: Convert to fraction form
    146,782.68/202,560.09 = 83,132.78/x
  3. Step 3: Cross multiply
    146,782.68x = 202,560.09 × 83,132.78
  4. Step 4: Simplify right side
    146,782.68x = 16,839,382,385.95
  5. Step 5: Solve for x
    x = 16,839,382,385.95/146,782.68
  6. Step 6: Final answer
    x = 114,723.22

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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.