Home / 104,766.79-144,578.17-57,020.48

Finding the Fourth Proportional to 104,766.79, 144,578.17 and 57,020.48

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Solution

The fourth proportional to 104,766.79, 144,578.17 and 57,020.48 is: 78,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,766.79 : 144,578.17 = 57,020.48 : x
  2. Step 2: Convert to fraction form
    104,766.79/144,578.17 = 57,020.48/x
  3. Step 3: Cross multiply
    104,766.79x = 144,578.17 × 57,020.48
  4. Step 4: Simplify right side
    104,766.79x = 8,243,916,289.48
  5. Step 5: Solve for x
    x = 8,243,916,289.48/104,766.79
  6. Step 6: Final answer
    x = 78,688.26

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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.