Home / 104,972.09-144,817.87-61,934.50

Finding the Fourth Proportional to 104,972.09, 144,817.87 and 61,934.50

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Solution

The fourth proportional to 104,972.09, 144,817.87 and 61,934.50 is: 85,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,972.09 : 144,817.87 = 61,934.50 : x
  2. Step 2: Convert to fraction form
    104,972.09/144,817.87 = 61,934.50/x
  3. Step 3: Cross multiply
    104,972.09x = 144,817.87 × 61,934.50
  4. Step 4: Simplify right side
    104,972.09x = 8,969,221,335.75
  5. Step 5: Solve for x
    x = 8,969,221,335.75/104,972.09
  6. Step 6: Final answer
    x = 85,443.87

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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.