Home / 146,905.70-220,358.55-105,433.70

Finding the Fourth Proportional to 146,905.70, 220,358.55 and 105,433.70

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Solution

The fourth proportional to 146,905.70, 220,358.55 and 105,433.70 is: 158,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,905.70 : 220,358.55 = 105,433.70 : x
  2. Step 2: Convert to fraction form
    146,905.70/220,358.55 = 105,433.70/x
  3. Step 3: Cross multiply
    146,905.70x = 220,358.55 × 105,433.70
  4. Step 4: Simplify right side
    146,905.70x = 23,233,217,253.14
  5. Step 5: Solve for x
    x = 23,233,217,253.14/146,905.70
  6. Step 6: Final answer
    x = 158,150.55

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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.