Home / 101,681.37-140,247.42-67,186.14

Finding the Fourth Proportional to 101,681.37, 140,247.42 and 67,186.14

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Solution

The fourth proportional to 101,681.37, 140,247.42 and 67,186.14 is: 92,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,681.37 : 140,247.42 = 67,186.14 : x
  2. Step 2: Convert to fraction form
    101,681.37/140,247.42 = 67,186.14/x
  3. Step 3: Cross multiply
    101,681.37x = 140,247.42 × 67,186.14
  4. Step 4: Simplify right side
    101,681.37x = 9,422,682,794.76
  5. Step 5: Solve for x
    x = 9,422,682,794.76/101,681.37
  6. Step 6: Final answer
    x = 92,668.72

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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.