Home / 146,186.33-201,734.94-81,656.46

Finding the Fourth Proportional to 146,186.33, 201,734.94 and 81,656.46

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Solution

The fourth proportional to 146,186.33, 201,734.94 and 81,656.46 is: 112,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,186.33 : 201,734.94 = 81,656.46 : x
  2. Step 2: Convert to fraction form
    146,186.33/201,734.94 = 81,656.46/x
  3. Step 3: Cross multiply
    146,186.33x = 201,734.94 × 81,656.46
  4. Step 4: Simplify right side
    146,186.33x = 16,472,961,364.92
  5. Step 5: Solve for x
    x = 16,472,961,364.92/146,186.33
  6. Step 6: Final answer
    x = 112,684.69

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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.