Home / 101,857.06-140,556.09-56,532.85

Finding the Fourth Proportional to 101,857.06, 140,556.09 and 56,532.85

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Solution

The fourth proportional to 101,857.06, 140,556.09 and 56,532.85 is: 78,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,857.06 : 140,556.09 = 56,532.85 : x
  2. Step 2: Convert to fraction form
    101,857.06/140,556.09 = 56,532.85/x
  3. Step 3: Cross multiply
    101,857.06x = 140,556.09 × 56,532.85
  4. Step 4: Simplify right side
    101,857.06x = 7,946,036,213.16
  5. Step 5: Solve for x
    x = 7,946,036,213.16/101,857.06
  6. Step 6: Final answer
    x = 78,011.64

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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.