Home / 159,738.48-239,576.40-53,105.76

Finding the Fourth Proportional to 159,738.48, 239,576.40 and 53,105.76

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Solution

The fourth proportional to 159,738.48, 239,576.40 and 53,105.76 is: 79,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,738.48 : 239,576.40 = 53,105.76 : x
  2. Step 2: Convert to fraction form
    159,738.48/239,576.40 = 53,105.76/x
  3. Step 3: Cross multiply
    159,738.48x = 239,576.40 × 53,105.76
  4. Step 4: Simplify right side
    159,738.48x = 12,722,886,800.06
  5. Step 5: Solve for x
    x = 12,722,886,800.06/159,738.48
  6. Step 6: Final answer
    x = 79,648.23

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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.