Home / 159,429.20-239,087.10-70,523.60

Finding the Fourth Proportional to 159,429.20, 239,087.10 and 70,523.60

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Solution

The fourth proportional to 159,429.20, 239,087.10 and 70,523.60 is: 105,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,429.20 : 239,087.10 = 70,523.60 : x
  2. Step 2: Convert to fraction form
    159,429.20/239,087.10 = 70,523.60/x
  3. Step 3: Cross multiply
    159,429.20x = 239,087.10 × 70,523.60
  4. Step 4: Simplify right side
    159,429.20x = 16,861,283,005.56
  5. Step 5: Solve for x
    x = 16,861,283,005.56/159,429.20
  6. Step 6: Final answer
    x = 105,760.32

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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.