Home / 119,717.48-165,219.97-66,007.60

Finding the Fourth Proportional to 119,717.48, 165,219.97 and 66,007.60

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Solution

The fourth proportional to 119,717.48, 165,219.97 and 66,007.60 is: 91,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,717.48 : 165,219.97 = 66,007.60 : x
  2. Step 2: Convert to fraction form
    119,717.48/165,219.97 = 66,007.60/x
  3. Step 3: Cross multiply
    119,717.48x = 165,219.97 × 66,007.60
  4. Step 4: Simplify right side
    119,717.48x = 10,905,773,691.77
  5. Step 5: Solve for x
    x = 10,905,773,691.77/119,717.48
  6. Step 6: Final answer
    x = 91,095.92

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Why These Related Problems?

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