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Finding the Fourth Proportional to 159,559.74, 239,260.64 and 93,016.62

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Solution

The fourth proportional to 159,559.74, 239,260.64 and 93,016.62 is: 139,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,559.74 : 239,260.64 = 93,016.62 : x
  2. Step 2: Convert to fraction form
    159,559.74/239,260.64 = 93,016.62/x
  3. Step 3: Cross multiply
    159,559.74x = 239,260.64 × 93,016.62
  4. Step 4: Simplify right side
    159,559.74x = 22,255,215,566.75
  5. Step 5: Solve for x
    x = 22,255,215,566.75/159,559.74
  6. Step 6: Final answer
    x = 139,478.89

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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.