Home / 104,954.64-144,839.70-57,210.36

Finding the Fourth Proportional to 104,954.64, 144,839.70 and 57,210.36

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Solution

The fourth proportional to 104,954.64, 144,839.70 and 57,210.36 is: 78,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,954.64 : 144,839.70 = 57,210.36 : x
  2. Step 2: Convert to fraction form
    104,954.64/144,839.70 = 57,210.36/x
  3. Step 3: Cross multiply
    104,954.64x = 144,839.70 × 57,210.36
  4. Step 4: Simplify right side
    104,954.64x = 8,286,331,379.29
  5. Step 5: Solve for x
    x = 8,286,331,379.29/104,954.64
  6. Step 6: Final answer
    x = 78,951.55

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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.