Home / 109,956-151,739.32-62,208.32

Finding the Fourth Proportional to 109,956, 151,739.32 and 62,208.32

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Solution

The fourth proportional to 109,956, 151,739.32 and 62,208.32 is: 85,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,956 : 151,739.32 = 62,208.32 : x
  2. Step 2: Convert to fraction form
    109,956/151,739.32 = 62,208.32/x
  3. Step 3: Cross multiply
    109,956x = 151,739.32 × 62,208.32
  4. Step 4: Simplify right side
    109,956x = 9,439,448,175.14
  5. Step 5: Solve for x
    x = 9,439,448,175.14/109,956
  6. Step 6: Final answer
    x = 85,847.50

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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.