Home / 117,520.56-162,200.28-67,219.44

Finding the Fourth Proportional to 117,520.56, 162,200.28 and 67,219.44

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Solution

The fourth proportional to 117,520.56, 162,200.28 and 67,219.44 is: 92,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,520.56 : 162,200.28 = 67,219.44 : x
  2. Step 2: Convert to fraction form
    117,520.56/162,200.28 = 67,219.44/x
  3. Step 3: Cross multiply
    117,520.56x = 162,200.28 × 67,219.44
  4. Step 4: Simplify right side
    117,520.56x = 10,903,011,989.44
  5. Step 5: Solve for x
    x = 10,903,011,989.44/117,520.56
  6. Step 6: Final answer
    x = 92,775.36

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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.