Home / 119,753.24-165,260.55-66,040.21

Finding the Fourth Proportional to 119,753.24, 165,260.55 and 66,040.21

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Solution

The fourth proportional to 119,753.24, 165,260.55 and 66,040.21 is: 91,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753.24 : 165,260.55 = 66,040.21 : x
  2. Step 2: Convert to fraction form
    119,753.24/165,260.55 = 66,040.21/x
  3. Step 3: Cross multiply
    119,753.24x = 165,260.55 × 66,040.21
  4. Step 4: Simplify right side
    119,753.24x = 10,913,841,880.94
  5. Step 5: Solve for x
    x = 10,913,841,880.94/119,753.24
  6. Step 6: Final answer
    x = 91,136.09

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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.