Home / 115,849.84-173,650.56-75,853.66

Finding the Fourth Proportional to 115,849.84, 173,650.56 and 75,853.66

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Solution

The fourth proportional to 115,849.84, 173,650.56 and 75,853.66 is: 113,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,849.84 : 173,650.56 = 75,853.66 : x
  2. Step 2: Convert to fraction form
    115,849.84/173,650.56 = 75,853.66/x
  3. Step 3: Cross multiply
    115,849.84x = 173,650.56 × 75,853.66
  4. Step 4: Simplify right side
    115,849.84x = 13,172,030,537.05
  5. Step 5: Solve for x
    x = 13,172,030,537.05/115,849.84
  6. Step 6: Final answer
    x = 113,699.17

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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.