Home / 119,816.14-165,345.19-66,101.61

Finding the Fourth Proportional to 119,816.14, 165,345.19 and 66,101.61

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Solution

The fourth proportional to 119,816.14, 165,345.19 and 66,101.61 is: 91,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,816.14 : 165,345.19 = 66,101.61 : x
  2. Step 2: Convert to fraction form
    119,816.14/165,345.19 = 66,101.61/x
  3. Step 3: Cross multiply
    119,816.14x = 165,345.19 × 66,101.61
  4. Step 4: Simplify right side
    119,816.14x = 10,929,583,264.76
  5. Step 5: Solve for x
    x = 10,929,583,264.76/119,816.14
  6. Step 6: Final answer
    x = 91,219.62

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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.