Home / 143,284.03-197,732.87-89,600.47

Finding the Fourth Proportional to 143,284.03, 197,732.87 and 89,600.47

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Solution

The fourth proportional to 143,284.03, 197,732.87 and 89,600.47 is: 123,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,284.03 : 197,732.87 = 89,600.47 : x
  2. Step 2: Convert to fraction form
    143,284.03/197,732.87 = 89,600.47/x
  3. Step 3: Cross multiply
    143,284.03x = 197,732.87 × 89,600.47
  4. Step 4: Simplify right side
    143,284.03x = 17,716,958,086.45
  5. Step 5: Solve for x
    x = 17,716,958,086.45/143,284.03
  6. Step 6: Final answer
    x = 123,649.22

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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.