Home / 146,901.28-219,816.24-135,749.92

Finding the Fourth Proportional to 146,901.28, 219,816.24 and 135,749.92

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Solution

The fourth proportional to 146,901.28, 219,816.24 and 135,749.92 is: 203,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,901.28 : 219,816.24 = 135,749.92 : x
  2. Step 2: Convert to fraction form
    146,901.28/219,816.24 = 135,749.92/x
  3. Step 3: Cross multiply
    146,901.28x = 219,816.24 × 135,749.92
  4. Step 4: Simplify right side
    146,901.28x = 29,840,036,994.70
  5. Step 5: Solve for x
    x = 29,840,036,994.70/146,901.28
  6. Step 6: Final answer
    x = 203,129.86

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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.