Home / 104,939.80-144,812.67-57,192.10

Finding the Fourth Proportional to 104,939.80, 144,812.67 and 57,192.10

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Solution

The fourth proportional to 104,939.80, 144,812.67 and 57,192.10 is: 78,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,939.80 : 144,812.67 = 57,192.10 : x
  2. Step 2: Convert to fraction form
    104,939.80/144,812.67 = 57,192.10/x
  3. Step 3: Cross multiply
    104,939.80x = 144,812.67 × 57,192.10
  4. Step 4: Simplify right side
    104,939.80x = 8,282,140,703.91
  5. Step 5: Solve for x
    x = 8,282,140,703.91/104,939.80
  6. Step 6: Final answer
    x = 78,922.78

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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.