Home / 117,217.69-161,760.21-63,504.07

Finding the Fourth Proportional to 117,217.69, 161,760.21 and 63,504.07

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Solution

The fourth proportional to 117,217.69, 161,760.21 and 63,504.07 is: 87,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,217.69 : 161,760.21 = 63,504.07 : x
  2. Step 2: Convert to fraction form
    117,217.69/161,760.21 = 63,504.07/x
  3. Step 3: Cross multiply
    117,217.69x = 161,760.21 × 63,504.07
  4. Step 4: Simplify right side
    117,217.69x = 10,272,431,699.05
  5. Step 5: Solve for x
    x = 10,272,431,699.05/117,217.69
  6. Step 6: Final answer
    x = 87,635.51

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1.5x scale

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.