Home / 119,943.43-165,520.86-66,227.29

Finding the Fourth Proportional to 119,943.43, 165,520.86 and 66,227.29

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Solution

The fourth proportional to 119,943.43, 165,520.86 and 66,227.29 is: 91,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,943.43 : 165,520.86 = 66,227.29 : x
  2. Step 2: Convert to fraction form
    119,943.43/165,520.86 = 66,227.29/x
  3. Step 3: Cross multiply
    119,943.43x = 165,520.86 × 66,227.29
  4. Step 4: Simplify right side
    119,943.43x = 10,961,997,168.67
  5. Step 5: Solve for x
    x = 10,961,997,168.67/119,943.43
  6. Step 6: Final answer
    x = 91,393.06

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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.