Home / 113,749.20-156,974.16-63,451.44

Finding the Fourth Proportional to 113,749.20, 156,974.16 and 63,451.44

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Solution

The fourth proportional to 113,749.20, 156,974.16 and 63,451.44 is: 87,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,749.20 : 156,974.16 = 63,451.44 : x
  2. Step 2: Convert to fraction form
    113,749.20/156,974.16 = 63,451.44/x
  3. Step 3: Cross multiply
    113,749.20x = 156,974.16 × 63,451.44
  4. Step 4: Simplify right side
    113,749.20x = 9,960,236,494.79
  5. Step 5: Solve for x
    x = 9,960,236,494.79/113,749.20
  6. Step 6: Final answer
    x = 87,563.13

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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.