Home / 117,271.11-161,834.07-63,556.12

Finding the Fourth Proportional to 117,271.11, 161,834.07 and 63,556.12

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Solution

The fourth proportional to 117,271.11, 161,834.07 and 63,556.12 is: 87,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,271.11 : 161,834.07 = 63,556.12 : x
  2. Step 2: Convert to fraction form
    117,271.11/161,834.07 = 63,556.12/x
  3. Step 3: Cross multiply
    117,271.11x = 161,834.07 × 63,556.12
  4. Step 4: Simplify right side
    117,271.11x = 10,285,545,573.01
  5. Step 5: Solve for x
    x = 10,285,545,573.01/117,271.11
  6. Step 6: Final answer
    x = 87,707.41

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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.