Home / 104,928.92-144,801.93-57,182.28

Finding the Fourth Proportional to 104,928.92, 144,801.93 and 57,182.28

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Solution

The fourth proportional to 104,928.92, 144,801.93 and 57,182.28 is: 78,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.92 : 144,801.93 = 57,182.28 : x
  2. Step 2: Convert to fraction form
    104,928.92/144,801.93 = 57,182.28/x
  3. Step 3: Cross multiply
    104,928.92x = 144,801.93 × 57,182.28
  4. Step 4: Simplify right side
    104,928.92x = 8,280,104,505.80
  5. Step 5: Solve for x
    x = 8,280,104,505.80/104,928.92
  6. Step 6: Final answer
    x = 78,911.56

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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.