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Finding the Fourth Proportional to 173,371.91, 260,078.59 and 73,519.13

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Solution

The fourth proportional to 173,371.91, 260,078.59 and 73,519.13 is: 110,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,371.91 : 260,078.59 = 73,519.13 : x
  2. Step 2: Convert to fraction form
    173,371.91/260,078.59 = 73,519.13/x
  3. Step 3: Cross multiply
    173,371.91x = 260,078.59 × 73,519.13
  4. Step 4: Simplify right side
    173,371.91x = 19,120,750,834.43
  5. Step 5: Solve for x
    x = 19,120,750,834.43/173,371.91
  6. Step 6: Final answer
    x = 110,287.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.