Home / 146,722.70-220,084.05-136,808.30

Finding the Fourth Proportional to 146,722.70, 220,084.05 and 136,808.30

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Solution

The fourth proportional to 146,722.70, 220,084.05 and 136,808.30 is: 205,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,722.70 : 220,084.05 = 136,808.30 : x
  2. Step 2: Convert to fraction form
    146,722.70/220,084.05 = 136,808.30/x
  3. Step 3: Cross multiply
    146,722.70x = 220,084.05 × 136,808.30
  4. Step 4: Simplify right side
    146,722.70x = 30,109,324,737.62
  5. Step 5: Solve for x
    x = 30,109,324,737.62/146,722.70
  6. Step 6: Final answer
    x = 205,212.45

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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.