Home / 122,796.18-169,396.70-71,775.58

Finding the Fourth Proportional to 122,796.18, 169,396.70 and 71,775.58

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Solution

The fourth proportional to 122,796.18, 169,396.70 and 71,775.58 is: 99,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,796.18 : 169,396.70 = 71,775.58 : x
  2. Step 2: Convert to fraction form
    122,796.18/169,396.70 = 71,775.58/x
  3. Step 3: Cross multiply
    122,796.18x = 169,396.70 × 71,775.58
  4. Step 4: Simplify right side
    122,796.18x = 12,158,546,392.59
  5. Step 5: Solve for x
    x = 12,158,546,392.59/122,796.18
  6. Step 6: Final answer
    x = 99,014.04

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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.