Home / 75,108.44-112,622.22-30,107.20

Finding the Fourth Proportional to 75,108.44, 112,622.22 and 30,107.20

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Solution

The fourth proportional to 75,108.44, 112,622.22 and 30,107.20 is: 45,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.44 : 112,622.22 = 30,107.20 : x
  2. Step 2: Convert to fraction form
    75,108.44/112,622.22 = 30,107.20/x
  3. Step 3: Cross multiply
    75,108.44x = 112,622.22 × 30,107.20
  4. Step 4: Simplify right side
    75,108.44x = 3,390,739,701.98
  5. Step 5: Solve for x
    x = 3,390,739,701.98/75,108.44
  6. Step 6: Final answer
    x = 45,144.59

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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.