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Finding the Fourth Proportional to 159,516.21, 239,315.85 and 59,684.21

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Solution

The fourth proportional to 159,516.21, 239,315.85 and 59,684.21 is: 89,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,516.21 : 239,315.85 = 59,684.21 : x
  2. Step 2: Convert to fraction form
    159,516.21/239,315.85 = 59,684.21/x
  3. Step 3: Cross multiply
    159,516.21x = 239,315.85 × 59,684.21
  4. Step 4: Simplify right side
    159,516.21x = 14,283,377,447.73
  5. Step 5: Solve for x
    x = 14,283,377,447.73/159,516.21
  6. Step 6: Final answer
    x = 89,541.86

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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.