Home / 146,728.89-220,064.18-71,816.85

Finding the Fourth Proportional to 146,728.89, 220,064.18 and 71,816.85

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Solution

The fourth proportional to 146,728.89, 220,064.18 and 71,816.85 is: 107,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.89 : 220,064.18 = 71,816.85 : x
  2. Step 2: Convert to fraction form
    146,728.89/220,064.18 = 71,816.85/x
  3. Step 3: Cross multiply
    146,728.89x = 220,064.18 × 71,816.85
  4. Step 4: Simplify right side
    146,728.89x = 15,804,315,846.35
  5. Step 5: Solve for x
    x = 15,804,315,846.35/146,728.89
  6. Step 6: Final answer
    x = 107,711.00

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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.