Home / 126,994.73-190,372.88-42,695.96

Finding the Fourth Proportional to 126,994.73, 190,372.88 and 42,695.96

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Solution

The fourth proportional to 126,994.73, 190,372.88 and 42,695.96 is: 64,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,994.73 : 190,372.88 = 42,695.96 : x
  2. Step 2: Convert to fraction form
    126,994.73/190,372.88 = 42,695.96/x
  3. Step 3: Cross multiply
    126,994.73x = 190,372.88 × 42,695.96
  4. Step 4: Simplify right side
    126,994.73x = 8,128,153,697.64
  5. Step 5: Solve for x
    x = 8,128,153,697.64/126,994.73
  6. Step 6: Final answer
    x = 64,003.86

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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.