Home / 165,320.30-247,997.78-70,560.56

Finding the Fourth Proportional to 165,320.30, 247,997.78 and 70,560.56

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Solution

The fourth proportional to 165,320.30, 247,997.78 and 70,560.56 is: 105,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,320.30 : 247,997.78 = 70,560.56 : x
  2. Step 2: Convert to fraction form
    165,320.30/247,997.78 = 70,560.56/x
  3. Step 3: Cross multiply
    165,320.30x = 247,997.78 × 70,560.56
  4. Step 4: Simplify right side
    165,320.30x = 17,498,860,642.77
  5. Step 5: Solve for x
    x = 17,498,860,642.77/165,320.30
  6. Step 6: Final answer
    x = 105,848.23

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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.