Home / 113,418.88-156,515.52-63,122.56

Finding the Fourth Proportional to 113,418.88, 156,515.52 and 63,122.56

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Solution

The fourth proportional to 113,418.88, 156,515.52 and 63,122.56 is: 87,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,418.88 : 156,515.52 = 63,122.56 : x
  2. Step 2: Convert to fraction form
    113,418.88/156,515.52 = 63,122.56/x
  3. Step 3: Cross multiply
    113,418.88x = 156,515.52 × 63,122.56
  4. Step 4: Simplify right side
    113,418.88x = 9,879,660,302.13
  5. Step 5: Solve for x
    x = 9,879,660,302.13/113,418.88
  6. Step 6: Final answer
    x = 87,107.72

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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.