Home / 104,976.86-144,866.70-57,230.10

Finding the Fourth Proportional to 104,976.86, 144,866.70 and 57,230.10

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Solution

The fourth proportional to 104,976.86, 144,866.70 and 57,230.10 is: 78,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.86 : 144,866.70 = 57,230.10 : x
  2. Step 2: Convert to fraction form
    104,976.86/144,866.70 = 57,230.10/x
  3. Step 3: Cross multiply
    104,976.86x = 144,866.70 × 57,230.10
  4. Step 4: Simplify right side
    104,976.86x = 8,290,735,727.67
  5. Step 5: Solve for x
    x = 8,290,735,727.67/104,976.86
  6. Step 6: Final answer
    x = 78,976.80

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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.