Home / 78,852.12-118,234.42-26,232.88

Finding the Fourth Proportional to 78,852.12, 118,234.42 and 26,232.88

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Solution

The fourth proportional to 78,852.12, 118,234.42 and 26,232.88 is: 39,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852.12 : 118,234.42 = 26,232.88 : x
  2. Step 2: Convert to fraction form
    78,852.12/118,234.42 = 26,232.88/x
  3. Step 3: Cross multiply
    78,852.12x = 118,234.42 × 26,232.88
  4. Step 4: Simplify right side
    78,852.12x = 3,101,629,351.73
  5. Step 5: Solve for x
    x = 3,101,629,351.73/78,852.12
  6. Step 6: Final answer
    x = 39,334.76

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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.