Home / 105,046.10-144,958.29-57,299.06

Finding the Fourth Proportional to 105,046.10, 144,958.29 and 57,299.06

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Solution

The fourth proportional to 105,046.10, 144,958.29 and 57,299.06 is: 79,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,046.10 : 144,958.29 = 57,299.06 : x
  2. Step 2: Convert to fraction form
    105,046.10/144,958.29 = 57,299.06/x
  3. Step 3: Cross multiply
    105,046.10x = 144,958.29 × 57,299.06
  4. Step 4: Simplify right side
    105,046.10x = 8,305,973,756.21
  5. Step 5: Solve for x
    x = 8,305,973,756.21/105,046.10
  6. Step 6: Final answer
    x = 79,069.80

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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.