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Finding the Fourth Proportional to 159,795.06, 239,614.83 and 84,951.06

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Solution

The fourth proportional to 159,795.06, 239,614.83 and 84,951.06 is: 127,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,795.06 : 239,614.83 = 84,951.06 : x
  2. Step 2: Convert to fraction form
    159,795.06/239,614.83 = 84,951.06/x
  3. Step 3: Cross multiply
    159,795.06x = 239,614.83 × 84,951.06
  4. Step 4: Simplify right side
    159,795.06x = 20,355,533,800.22
  5. Step 5: Solve for x
    x = 20,355,533,800.22/159,795.06
  6. Step 6: Final answer
    x = 127,385.25

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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.