Home / 104,976.83-144,865.13-57,230.17

Finding the Fourth Proportional to 104,976.83, 144,865.13 and 57,230.17

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Solution

The fourth proportional to 104,976.83, 144,865.13 and 57,230.17 is: 78,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.83 : 144,865.13 = 57,230.17 : x
  2. Step 2: Convert to fraction form
    104,976.83/144,865.13 = 57,230.17/x
  3. Step 3: Cross multiply
    104,976.83x = 144,865.13 × 57,230.17
  4. Step 4: Simplify right side
    104,976.83x = 8,290,655,368.66
  5. Step 5: Solve for x
    x = 8,290,655,368.66/104,976.83
  6. Step 6: Final answer
    x = 78,976.05

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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.