Home / 188,320.91-259,984.17-145,205.87

Finding the Fourth Proportional to 188,320.91, 259,984.17 and 145,205.87

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Solution

The fourth proportional to 188,320.91, 259,984.17 and 145,205.87 is: 200,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,320.91 : 259,984.17 = 145,205.87 : x
  2. Step 2: Convert to fraction form
    188,320.91/259,984.17 = 145,205.87/x
  3. Step 3: Cross multiply
    188,320.91x = 259,984.17 × 145,205.87
  4. Step 4: Simplify right side
    188,320.91x = 37,751,226,291.16
  5. Step 5: Solve for x
    x = 37,751,226,291.16/188,320.91
  6. Step 6: Final answer
    x = 200,462.22

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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.