Home / 115,428.78-173,157.81-36,514.50

Finding the Fourth Proportional to 115,428.78, 173,157.81 and 36,514.50

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Solution

The fourth proportional to 115,428.78, 173,157.81 and 36,514.50 is: 54,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,428.78 : 173,157.81 = 36,514.50 : x
  2. Step 2: Convert to fraction form
    115,428.78/173,157.81 = 36,514.50/x
  3. Step 3: Cross multiply
    115,428.78x = 173,157.81 × 36,514.50
  4. Step 4: Simplify right side
    115,428.78x = 6,322,770,853.25
  5. Step 5: Solve for x
    x = 6,322,770,853.25/115,428.78
  6. Step 6: Final answer
    x = 54,776.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.