Home / 165,330.12-247,991.94-54,522.12

Finding the Fourth Proportional to 165,330.12, 247,991.94 and 54,522.12

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Solution

The fourth proportional to 165,330.12, 247,991.94 and 54,522.12 is: 81,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,330.12 : 247,991.94 = 54,522.12 : x
  2. Step 2: Convert to fraction form
    165,330.12/247,991.94 = 54,522.12/x
  3. Step 3: Cross multiply
    165,330.12x = 247,991.94 × 54,522.12
  4. Step 4: Simplify right side
    165,330.12x = 13,521,046,311.71
  5. Step 5: Solve for x
    x = 13,521,046,311.71/165,330.12
  6. Step 6: Final answer
    x = 81,782.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.