Home / 144,264.62-199,092.75-86,921.95

Finding the Fourth Proportional to 144,264.62, 199,092.75 and 86,921.95

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Solution

The fourth proportional to 144,264.62, 199,092.75 and 86,921.95 is: 119,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,264.62 : 199,092.75 = 86,921.95 : x
  2. Step 2: Convert to fraction form
    144,264.62/199,092.75 = 86,921.95/x
  3. Step 3: Cross multiply
    144,264.62x = 199,092.75 × 86,921.95
  4. Step 4: Simplify right side
    144,264.62x = 17,305,530,060.86
  5. Step 5: Solve for x
    x = 17,305,530,060.86/144,264.62
  6. Step 6: Final answer
    x = 119,956.86

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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.