Home / 112,252.50-168,195.60-52,215.75

Finding the Fourth Proportional to 112,252.50, 168,195.60 and 52,215.75

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Solution

The fourth proportional to 112,252.50, 168,195.60 and 52,215.75 is: 78,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,252.50 : 168,195.60 = 52,215.75 : x
  2. Step 2: Convert to fraction form
    112,252.50/168,195.60 = 52,215.75/x
  3. Step 3: Cross multiply
    112,252.50x = 168,195.60 × 52,215.75
  4. Step 4: Simplify right side
    112,252.50x = 8,782,459,400.70
  5. Step 5: Solve for x
    x = 8,782,459,400.70/112,252.50
  6. Step 6: Final answer
    x = 78,238.43

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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.