Home / 126,151.88-174,088.32-68,791.06

Finding the Fourth Proportional to 126,151.88, 174,088.32 and 68,791.06

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Solution

The fourth proportional to 126,151.88, 174,088.32 and 68,791.06 is: 94,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,151.88 : 174,088.32 = 68,791.06 : x
  2. Step 2: Convert to fraction form
    126,151.88/174,088.32 = 68,791.06/x
  3. Step 3: Cross multiply
    126,151.88x = 174,088.32 × 68,791.06
  4. Step 4: Simplify right side
    126,151.88x = 11,975,720,066.42
  5. Step 5: Solve for x
    x = 11,975,720,066.42/126,151.88
  6. Step 6: Final answer
    x = 94,930.97

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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.