Home / 159,535.20-239,246.10-70,629.60

Finding the Fourth Proportional to 159,535.20, 239,246.10 and 70,629.60

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Solution

The fourth proportional to 159,535.20, 239,246.10 and 70,629.60 is: 105,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,535.20 : 239,246.10 = 70,629.60 : x
  2. Step 2: Convert to fraction form
    159,535.20/239,246.10 = 70,629.60/x
  3. Step 3: Cross multiply
    159,535.20x = 239,246.10 × 70,629.60
  4. Step 4: Simplify right side
    159,535.20x = 16,897,856,344.56
  5. Step 5: Solve for x
    x = 16,897,856,344.56/159,535.20
  6. Step 6: Final answer
    x = 105,919.30

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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.