Home / 165,267.48-247,856.94-71,751

Finding the Fourth Proportional to 165,267.48, 247,856.94 and 71,751

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Solution

The fourth proportional to 165,267.48, 247,856.94 and 71,751 is: 107,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,267.48 : 247,856.94 = 71,751 : x
  2. Step 2: Convert to fraction form
    165,267.48/247,856.94 = 71,751/x
  3. Step 3: Cross multiply
    165,267.48x = 247,856.94 × 71,751
  4. Step 4: Simplify right side
    165,267.48x = 17,783,983,301.94
  5. Step 5: Solve for x
    x = 17,783,983,301.94/165,267.48
  6. Step 6: Final answer
    x = 107,607.28

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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.