Home / 146,186.39-201,735.03-81,656.52

Finding the Fourth Proportional to 146,186.39, 201,735.03 and 81,656.52

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Solution

The fourth proportional to 146,186.39, 201,735.03 and 81,656.52 is: 112,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,186.39 : 201,735.03 = 81,656.52 : x
  2. Step 2: Convert to fraction form
    146,186.39/201,735.03 = 81,656.52/x
  3. Step 3: Cross multiply
    146,186.39x = 201,735.03 × 81,656.52
  4. Step 4: Simplify right side
    146,186.39x = 16,472,980,511.90
  5. Step 5: Solve for x
    x = 16,472,980,511.90/146,186.39
  6. Step 6: Final answer
    x = 112,684.78

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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.