Home / 75,142.92-112,548.22-51,394.16

Finding the Fourth Proportional to 75,142.92, 112,548.22 and 51,394.16

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Solution

The fourth proportional to 75,142.92, 112,548.22 and 51,394.16 is: 76,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.92 : 112,548.22 = 51,394.16 : x
  2. Step 2: Convert to fraction form
    75,142.92/112,548.22 = 51,394.16/x
  3. Step 3: Cross multiply
    75,142.92x = 112,548.22 × 51,394.16
  4. Step 4: Simplify right side
    75,142.92x = 5,784,321,226.40
  5. Step 5: Solve for x
    x = 5,784,321,226.40/75,142.92
  6. Step 6: Final answer
    x = 76,977.59

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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.