Home / 104,146.53-155,952.96-72,081.18

Finding the Fourth Proportional to 104,146.53, 155,952.96 and 72,081.18

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Solution

The fourth proportional to 104,146.53, 155,952.96 and 72,081.18 is: 107,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,146.53 : 155,952.96 = 72,081.18 : x
  2. Step 2: Convert to fraction form
    104,146.53/155,952.96 = 72,081.18/x
  3. Step 3: Cross multiply
    104,146.53x = 155,952.96 × 72,081.18
  4. Step 4: Simplify right side
    104,146.53x = 11,241,273,110.99
  5. Step 5: Solve for x
    x = 11,241,273,110.99/104,146.53
  6. Step 6: Final answer
    x = 107,937.09

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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.