Home / 126,893.58-175,033.85-81,630.50

Finding the Fourth Proportional to 126,893.58, 175,033.85 and 81,630.50

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Solution

The fourth proportional to 126,893.58, 175,033.85 and 81,630.50 is: 112,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,893.58 : 175,033.85 = 81,630.50 : x
  2. Step 2: Convert to fraction form
    126,893.58/175,033.85 = 81,630.50/x
  3. Step 3: Cross multiply
    126,893.58x = 175,033.85 × 81,630.50
  4. Step 4: Simplify right side
    126,893.58x = 14,288,100,692.43
  5. Step 5: Solve for x
    x = 14,288,100,692.43/126,893.58
  6. Step 6: Final answer
    x = 112,599.08

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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.