Home / 146,728.80-220,093.20-53,222.40

Finding the Fourth Proportional to 146,728.80, 220,093.20 and 53,222.40

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Solution

The fourth proportional to 146,728.80, 220,093.20 and 53,222.40 is: 79,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.80 : 220,093.20 = 53,222.40 : x
  2. Step 2: Convert to fraction form
    146,728.80/220,093.20 = 53,222.40/x
  3. Step 3: Cross multiply
    146,728.80x = 220,093.20 × 53,222.40
  4. Step 4: Simplify right side
    146,728.80x = 11,713,888,327.68
  5. Step 5: Solve for x
    x = 11,713,888,327.68/146,728.80
  6. Step 6: Final answer
    x = 79,833.60

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1.5x scale

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.