Home / 165,390.93-247,938.75-76,522.19

Finding the Fourth Proportional to 165,390.93, 247,938.75 and 76,522.19

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Solution

The fourth proportional to 165,390.93, 247,938.75 and 76,522.19 is: 114,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,390.93 : 247,938.75 = 76,522.19 : x
  2. Step 2: Convert to fraction form
    165,390.93/247,938.75 = 76,522.19/x
  3. Step 3: Cross multiply
    165,390.93x = 247,938.75 × 76,522.19
  4. Step 4: Simplify right side
    165,390.93x = 18,972,814,896.17
  5. Step 5: Solve for x
    x = 18,972,814,896.17/165,390.93
  6. Step 6: Final answer
    x = 114,714.97

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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.