Home / 104,822.87-144,656.10-57,076.07

Finding the Fourth Proportional to 104,822.87, 144,656.10 and 57,076.07

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Solution

The fourth proportional to 104,822.87, 144,656.10 and 57,076.07 is: 78,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,822.87 : 144,656.10 = 57,076.07 : x
  2. Step 2: Convert to fraction form
    104,822.87/144,656.10 = 57,076.07/x
  3. Step 3: Cross multiply
    104,822.87x = 144,656.10 × 57,076.07
  4. Step 4: Simplify right side
    104,822.87x = 8,256,400,966.25
  5. Step 5: Solve for x
    x = 8,256,400,966.25/104,822.87
  6. Step 6: Final answer
    x = 78,765.27

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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.