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Finding the Fourth Proportional to 126,878.80, 175,103.44 and 70,295.44

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Solution

The fourth proportional to 126,878.80, 175,103.44 and 70,295.44 is: 97,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,878.80 : 175,103.44 = 70,295.44 : x
  2. Step 2: Convert to fraction form
    126,878.80/175,103.44 = 70,295.44/x
  3. Step 3: Cross multiply
    126,878.80x = 175,103.44 × 70,295.44
  4. Step 4: Simplify right side
    126,878.80x = 12,308,973,360.31
  5. Step 5: Solve for x
    x = 12,308,973,360.31/126,878.80
  6. Step 6: Final answer
    x = 97,013.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.