Home / 146,771.40-220,157.10-99,532.20

Finding the Fourth Proportional to 146,771.40, 220,157.10 and 99,532.20

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Solution

The fourth proportional to 146,771.40, 220,157.10 and 99,532.20 is: 149,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,771.40 : 220,157.10 = 99,532.20 : x
  2. Step 2: Convert to fraction form
    146,771.40/220,157.10 = 99,532.20/x
  3. Step 3: Cross multiply
    146,771.40x = 220,157.10 × 99,532.20
  4. Step 4: Simplify right side
    146,771.40x = 21,912,720,508.62
  5. Step 5: Solve for x
    x = 21,912,720,508.62/146,771.40
  6. Step 6: Final answer
    x = 149,298.30

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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.