Home / 146,800.20-220,286.70-53,315.40

Finding the Fourth Proportional to 146,800.20, 220,286.70 and 53,315.40

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Solution

The fourth proportional to 146,800.20, 220,286.70 and 53,315.40 is: 80,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,800.20 : 220,286.70 = 53,315.40 : x
  2. Step 2: Convert to fraction form
    146,800.20/220,286.70 = 53,315.40/x
  3. Step 3: Cross multiply
    146,800.20x = 220,286.70 × 53,315.40
  4. Step 4: Simplify right side
    146,800.20x = 11,744,673,525.18
  5. Step 5: Solve for x
    x = 11,744,673,525.18/146,800.20
  6. Step 6: Final answer
    x = 80,004.48

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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.