Home / 104,939.24-144,817.92-57,195.20

Finding the Fourth Proportional to 104,939.24, 144,817.92 and 57,195.20

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Solution

The fourth proportional to 104,939.24, 144,817.92 and 57,195.20 is: 78,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,939.24 : 144,817.92 = 57,195.20 : x
  2. Step 2: Convert to fraction form
    104,939.24/144,817.92 = 57,195.20/x
  3. Step 3: Cross multiply
    104,939.24x = 144,817.92 × 57,195.20
  4. Step 4: Simplify right side
    104,939.24x = 8,282,889,173.89
  5. Step 5: Solve for x
    x = 8,282,889,173.89/104,939.24
  6. Step 6: Final answer
    x = 78,930.34

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1.5x scale

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.