Home / 119,723.60-165,219.74-66,010.72

Finding the Fourth Proportional to 119,723.60, 165,219.74 and 66,010.72

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Solution

The fourth proportional to 119,723.60, 165,219.74 and 66,010.72 is: 91,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,723.60 : 165,219.74 = 66,010.72 : x
  2. Step 2: Convert to fraction form
    119,723.60/165,219.74 = 66,010.72/x
  3. Step 3: Cross multiply
    119,723.60x = 165,219.74 × 66,010.72
  4. Step 4: Simplify right side
    119,723.60x = 10,906,273,995.61
  5. Step 5: Solve for x
    x = 10,906,273,995.61/119,723.60
  6. Step 6: Final answer
    x = 91,095.44

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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.