Home / 109,919.50-151,688.92-62,171.82

Finding the Fourth Proportional to 109,919.50, 151,688.92 and 62,171.82

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Solution

The fourth proportional to 109,919.50, 151,688.92 and 62,171.82 is: 85,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,919.50 : 151,688.92 = 62,171.82 : x
  2. Step 2: Convert to fraction form
    109,919.50/151,688.92 = 62,171.82/x
  3. Step 3: Cross multiply
    109,919.50x = 151,688.92 × 62,171.82
  4. Step 4: Simplify right side
    109,919.50x = 9,430,776,230.23
  5. Step 5: Solve for x
    x = 9,430,776,230.23/109,919.50
  6. Step 6: Final answer
    x = 85,797.12

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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.