Home / 104,590.78-144,356.27-62,141.14

Finding the Fourth Proportional to 104,590.78, 144,356.27 and 62,141.14

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Solution

The fourth proportional to 104,590.78, 144,356.27 and 62,141.14 is: 85,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,590.78 : 144,356.27 = 62,141.14 : x
  2. Step 2: Convert to fraction form
    104,590.78/144,356.27 = 62,141.14/x
  3. Step 3: Cross multiply
    104,590.78x = 144,356.27 × 62,141.14
  4. Step 4: Simplify right side
    104,590.78x = 8,970,463,183.95
  5. Step 5: Solve for x
    x = 8,970,463,183.95/104,590.78
  6. Step 6: Final answer
    x = 85,767.25

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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.