Home / 142,882.11-214,334.82-71,768.16

Finding the Fourth Proportional to 142,882.11, 214,334.82 and 71,768.16

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Solution

The fourth proportional to 142,882.11, 214,334.82 and 71,768.16 is: 107,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,882.11 : 214,334.82 = 71,768.16 : x
  2. Step 2: Convert to fraction form
    142,882.11/214,334.82 = 71,768.16/x
  3. Step 3: Cross multiply
    142,882.11x = 214,334.82 × 71,768.16
  4. Step 4: Simplify right side
    142,882.11x = 15,382,415,655.33
  5. Step 5: Solve for x
    x = 15,382,415,655.33/142,882.11
  6. Step 6: Final answer
    x = 107,658.09

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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.