Home / 120,534.85-166,343.52-68,856.50

Finding the Fourth Proportional to 120,534.85, 166,343.52 and 68,856.50

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Solution

The fourth proportional to 120,534.85, 166,343.52 and 68,856.50 is: 95,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,534.85 : 166,343.52 = 68,856.50 : x
  2. Step 2: Convert to fraction form
    120,534.85/166,343.52 = 68,856.50/x
  3. Step 3: Cross multiply
    120,534.85x = 166,343.52 × 68,856.50
  4. Step 4: Simplify right side
    120,534.85x = 11,453,832,323.27
  5. Step 5: Solve for x
    x = 11,453,832,323.27/120,534.85
  6. Step 6: Final answer
    x = 95,025.07

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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.