Home / 119,724.66-165,216.61-66,009.74

Finding the Fourth Proportional to 119,724.66, 165,216.61 and 66,009.74

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Solution

The fourth proportional to 119,724.66, 165,216.61 and 66,009.74 is: 91,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,724.66 : 165,216.61 = 66,009.74 : x
  2. Step 2: Convert to fraction form
    119,724.66/165,216.61 = 66,009.74/x
  3. Step 3: Cross multiply
    119,724.66x = 165,216.61 × 66,009.74
  4. Step 4: Simplify right side
    119,724.66x = 10,905,904,726.21
  5. Step 5: Solve for x
    x = 10,905,904,726.21/119,724.66
  6. Step 6: Final answer
    x = 91,091.55

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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.