Home / 159,474.24-239,155.20-47,124.54

Finding the Fourth Proportional to 159,474.24, 239,155.20 and 47,124.54

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Solution

The fourth proportional to 159,474.24, 239,155.20 and 47,124.54 is: 70,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,474.24 : 239,155.20 = 47,124.54 : x
  2. Step 2: Convert to fraction form
    159,474.24/239,155.20 = 47,124.54/x
  3. Step 3: Cross multiply
    159,474.24x = 239,155.20 × 47,124.54
  4. Step 4: Simplify right side
    159,474.24x = 11,270,078,788.61
  5. Step 5: Solve for x
    x = 11,270,078,788.61/159,474.24
  6. Step 6: Final answer
    x = 70,670.21

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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.