Home / 157,249.60-217,002.31-89,265.98

Finding the Fourth Proportional to 157,249.60, 217,002.31 and 89,265.98

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Solution

The fourth proportional to 157,249.60, 217,002.31 and 89,265.98 is: 123,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,249.60 : 217,002.31 = 89,265.98 : x
  2. Step 2: Convert to fraction form
    157,249.60/217,002.31 = 89,265.98/x
  3. Step 3: Cross multiply
    157,249.60x = 217,002.31 × 89,265.98
  4. Step 4: Simplify right side
    157,249.60x = 19,370,923,418.08
  5. Step 5: Solve for x
    x = 19,370,923,418.08/157,249.60
  6. Step 6: Final answer
    x = 123,185.84

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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.