Home / 146,261.82-201,838.80-81,732.06

Finding the Fourth Proportional to 146,261.82, 201,838.80 and 81,732.06

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Solution

The fourth proportional to 146,261.82, 201,838.80 and 81,732.06 is: 112,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,261.82 : 201,838.80 = 81,732.06 : x
  2. Step 2: Convert to fraction form
    146,261.82/201,838.80 = 81,732.06/x
  3. Step 3: Cross multiply
    146,261.82x = 201,838.80 × 81,732.06
  4. Step 4: Simplify right side
    146,261.82x = 16,496,700,911.93
  5. Step 5: Solve for x
    x = 16,496,700,911.93/146,261.82
  6. Step 6: Final answer
    x = 112,788.84

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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.