Home / 157,661.48-217,577.94-89,676.71

Finding the Fourth Proportional to 157,661.48, 217,577.94 and 89,676.71

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Solution

The fourth proportional to 157,661.48, 217,577.94 and 89,676.71 is: 123,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.48 : 217,577.94 = 89,676.71 : x
  2. Step 2: Convert to fraction form
    157,661.48/217,577.94 = 89,676.71/x
  3. Step 3: Cross multiply
    157,661.48x = 217,577.94 × 89,676.71
  4. Step 4: Simplify right side
    157,661.48x = 19,511,673,759.61
  5. Step 5: Solve for x
    x = 19,511,673,759.61/157,661.48
  6. Step 6: Final answer
    x = 123,756.75

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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.