Home / 115,399.09-173,123.75-36,514

Finding the Fourth Proportional to 115,399.09, 173,123.75 and 36,514

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Solution

The fourth proportional to 115,399.09, 173,123.75 and 36,514 is: 54,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,399.09 : 173,123.75 = 36,514 : x
  2. Step 2: Convert to fraction form
    115,399.09/173,123.75 = 36,514/x
  3. Step 3: Cross multiply
    115,399.09x = 173,123.75 × 36,514
  4. Step 4: Simplify right side
    115,399.09x = 6,321,440,607.50
  5. Step 5: Solve for x
    x = 6,321,440,607.50/115,399.09
  6. Step 6: Final answer
    x = 54,778.95

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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.