Home / 104,912.29-144,778.98-57,165.65

Finding the Fourth Proportional to 104,912.29, 144,778.98 and 57,165.65

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Solution

The fourth proportional to 104,912.29, 144,778.98 and 57,165.65 is: 78,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,912.29 : 144,778.98 = 57,165.65 : x
  2. Step 2: Convert to fraction form
    104,912.29/144,778.98 = 57,165.65/x
  3. Step 3: Cross multiply
    104,912.29x = 144,778.98 × 57,165.65
  4. Step 4: Simplify right side
    104,912.29x = 8,276,384,498.04
  5. Step 5: Solve for x
    x = 8,276,384,498.04/104,912.29
  6. Step 6: Final answer
    x = 78,888.61

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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.