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Finding the Fourth Proportional to 159,748.81, 239,496.95 and 79,745.72

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Solution

The fourth proportional to 159,748.81, 239,496.95 and 79,745.72 is: 119,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,748.81 : 239,496.95 = 79,745.72 : x
  2. Step 2: Convert to fraction form
    159,748.81/239,496.95 = 79,745.72/x
  3. Step 3: Cross multiply
    159,748.81x = 239,496.95 × 79,745.72
  4. Step 4: Simplify right side
    159,748.81x = 19,098,855,717.43
  5. Step 5: Solve for x
    x = 19,098,855,717.43/159,748.81
  6. Step 6: Final answer
    x = 119,555.54

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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.