Home / 167,717.36-251,556.60-91,838.72

Finding the Fourth Proportional to 167,717.36, 251,556.60 and 91,838.72

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Solution

The fourth proportional to 167,717.36, 251,556.60 and 91,838.72 is: 137,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,717.36 : 251,556.60 = 91,838.72 : x
  2. Step 2: Convert to fraction form
    167,717.36/251,556.60 = 91,838.72/x
  3. Step 3: Cross multiply
    167,717.36x = 251,556.60 × 91,838.72
  4. Step 4: Simplify right side
    167,717.36x = 23,102,636,151.55
  5. Step 5: Solve for x
    x = 23,102,636,151.55/167,717.36
  6. Step 6: Final answer
    x = 137,747.44

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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.