Home / 119,772.48-165,279.90-68,749.77

Finding the Fourth Proportional to 119,772.48, 165,279.90 and 68,749.77

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Solution

The fourth proportional to 119,772.48, 165,279.90 and 68,749.77 is: 94,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,772.48 : 165,279.90 = 68,749.77 : x
  2. Step 2: Convert to fraction form
    119,772.48/165,279.90 = 68,749.77/x
  3. Step 3: Cross multiply
    119,772.48x = 165,279.90 × 68,749.77
  4. Step 4: Simplify right side
    119,772.48x = 11,362,955,110.62
  5. Step 5: Solve for x
    x = 11,362,955,110.62/119,772.48
  6. Step 6: Final answer
    x = 94,871.17

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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.