Home / 104,939.03-144,811.64-57,191.35

Finding the Fourth Proportional to 104,939.03, 144,811.64 and 57,191.35

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Solution

The fourth proportional to 104,939.03, 144,811.64 and 57,191.35 is: 78,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,939.03 : 144,811.64 = 57,191.35 : x
  2. Step 2: Convert to fraction form
    104,939.03/144,811.64 = 57,191.35/x
  3. Step 3: Cross multiply
    104,939.03x = 144,811.64 × 57,191.35
  4. Step 4: Simplify right side
    104,939.03x = 8,281,972,177.30
  5. Step 5: Solve for x
    x = 8,281,972,177.30/104,939.03
  6. Step 6: Final answer
    x = 78,921.76

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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.