Home / 157,982.93-217,963.22-89,951.79

Finding the Fourth Proportional to 157,982.93, 217,963.22 and 89,951.79

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Solution

The fourth proportional to 157,982.93, 217,963.22 and 89,951.79 is: 124,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,982.93 : 217,963.22 = 89,951.79 : x
  2. Step 2: Convert to fraction form
    157,982.93/217,963.22 = 89,951.79/x
  3. Step 3: Cross multiply
    157,982.93x = 217,963.22 × 89,951.79
  4. Step 4: Simplify right side
    157,982.93x = 19,606,181,674.24
  5. Step 5: Solve for x
    x = 19,606,181,674.24/157,982.93
  6. Step 6: Final answer
    x = 124,103.16

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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.