Home / 126,352.20-174,364.70-68,991.35

Finding the Fourth Proportional to 126,352.20, 174,364.70 and 68,991.35

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Solution

The fourth proportional to 126,352.20, 174,364.70 and 68,991.35 is: 95,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,352.20 : 174,364.70 = 68,991.35 : x
  2. Step 2: Convert to fraction form
    126,352.20/174,364.70 = 68,991.35/x
  3. Step 3: Cross multiply
    126,352.20x = 174,364.70 × 68,991.35
  4. Step 4: Simplify right side
    126,352.20x = 12,029,655,216.64
  5. Step 5: Solve for x
    x = 12,029,655,216.64/126,352.20
  6. Step 6: Final answer
    x = 95,207.32

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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.