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Finding the Fourth Proportional to 159,911.00, 239,675.36 and 74,406.36

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Solution

The fourth proportional to 159,911.00, 239,675.36 and 74,406.36 is: 111,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,911.00 : 239,675.36 = 74,406.36 : x
  2. Step 2: Convert to fraction form
    159,911.00/239,675.36 = 74,406.36/x
  3. Step 3: Cross multiply
    159,911.00x = 239,675.36 × 74,406.36
  4. Step 4: Simplify right side
    159,911.00x = 17,833,371,305.31
  5. Step 5: Solve for x
    x = 17,833,371,305.31/159,911.00
  6. Step 6: Final answer
    x = 111,520.60

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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.