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Finding the Fourth Proportional to 119,648.30, 165,114.32 and 65,933.30

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Solution

The fourth proportional to 119,648.30, 165,114.32 and 65,933.30 is: 90,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,648.30 : 165,114.32 = 65,933.30 : x
  2. Step 2: Convert to fraction form
    119,648.30/165,114.32 = 65,933.30/x
  3. Step 3: Cross multiply
    119,648.30x = 165,114.32 × 65,933.30
  4. Step 4: Simplify right side
    119,648.30x = 10,886,531,665.19
  5. Step 5: Solve for x
    x = 10,886,531,665.19/119,648.30
  6. Step 6: Final answer
    x = 90,987.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.