Home / 104,579.30-144,340.38-62,129.63

Finding the Fourth Proportional to 104,579.30, 144,340.38 and 62,129.63

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Solution

The fourth proportional to 104,579.30, 144,340.38 and 62,129.63 is: 85,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.30 : 144,340.38 = 62,129.63 : x
  2. Step 2: Convert to fraction form
    104,579.30/144,340.38 = 62,129.63/x
  3. Step 3: Cross multiply
    104,579.30x = 144,340.38 × 62,129.63
  4. Step 4: Simplify right side
    104,579.30x = 8,967,814,403.46
  5. Step 5: Solve for x
    x = 8,967,814,403.46/104,579.30
  6. Step 6: Final answer
    x = 85,751.33

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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.