Home / 84,087.77-126,156.26-27,160.38

Finding the Fourth Proportional to 84,087.77, 126,156.26 and 27,160.38

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Solution

The fourth proportional to 84,087.77, 126,156.26 and 27,160.38 is: 40,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087.77 : 126,156.26 = 27,160.38 : x
  2. Step 2: Convert to fraction form
    84,087.77/126,156.26 = 27,160.38/x
  3. Step 3: Cross multiply
    84,087.77x = 126,156.26 × 27,160.38
  4. Step 4: Simplify right side
    84,087.77x = 3,426,452,028.88
  5. Step 5: Solve for x
    x = 3,426,452,028.88/84,087.77
  6. Step 6: Final answer
    x = 40,748.52

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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.