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Finding the Fourth Proportional to 159,462.70, 239,111.01 and 59,540.72

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Solution

The fourth proportional to 159,462.70, 239,111.01 and 59,540.72 is: 89,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,462.70 : 239,111.01 = 59,540.72 : x
  2. Step 2: Convert to fraction form
    159,462.70/239,111.01 = 59,540.72/x
  3. Step 3: Cross multiply
    159,462.70x = 239,111.01 × 59,540.72
  4. Step 4: Simplify right side
    159,462.70x = 14,236,841,844.77
  5. Step 5: Solve for x
    x = 14,236,841,844.77/159,462.70
  6. Step 6: Final answer
    x = 89,280.07

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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.