Home / 137,322.60-189,523.44-76,896.60

Finding the Fourth Proportional to 137,322.60, 189,523.44 and 76,896.60

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Solution

The fourth proportional to 137,322.60, 189,523.44 and 76,896.60 is: 106,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,322.60 : 189,523.44 = 76,896.60 : x
  2. Step 2: Convert to fraction form
    137,322.60/189,523.44 = 76,896.60/x
  3. Step 3: Cross multiply
    137,322.60x = 189,523.44 × 76,896.60
  4. Step 4: Simplify right side
    137,322.60x = 14,573,708,156.30
  5. Step 5: Solve for x
    x = 14,573,708,156.30/137,322.60
  6. Step 6: Final answer
    x = 106,127.53

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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.