Home / 146,185.70-201,734.09-81,655.83

Finding the Fourth Proportional to 146,185.70, 201,734.09 and 81,655.83

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Solution

The fourth proportional to 146,185.70, 201,734.09 and 81,655.83 is: 112,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,185.70 : 201,734.09 = 81,655.83 : x
  2. Step 2: Convert to fraction form
    146,185.70/201,734.09 = 81,655.83/x
  3. Step 3: Cross multiply
    146,185.70x = 201,734.09 × 81,655.83
  4. Step 4: Simplify right side
    146,185.70x = 16,472,764,558.24
  5. Step 5: Solve for x
    x = 16,472,764,558.24/146,185.70
  6. Step 6: Final answer
    x = 112,683.83

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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.