Home / 157,982.67-217,985.92-89,998.16

Finding the Fourth Proportional to 157,982.67, 217,985.92 and 89,998.16

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Solution

The fourth proportional to 157,982.67, 217,985.92 and 89,998.16 is: 124,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,982.67 : 217,985.92 = 89,998.16 : x
  2. Step 2: Convert to fraction form
    157,982.67/217,985.92 = 89,998.16/x
  3. Step 3: Cross multiply
    157,982.67x = 217,985.92 × 89,998.16
  4. Step 4: Simplify right side
    157,982.67x = 19,618,330,390.98
  5. Step 5: Solve for x
    x = 19,618,330,390.98/157,982.67
  6. Step 6: Final answer
    x = 124,180.27

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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.