Home / 104,278.78-156,424.26-40,237.26

Finding the Fourth Proportional to 104,278.78, 156,424.26 and 40,237.26

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Solution

The fourth proportional to 104,278.78, 156,424.26 and 40,237.26 is: 60,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,278.78 : 156,424.26 = 40,237.26 : x
  2. Step 2: Convert to fraction form
    104,278.78/156,424.26 = 40,237.26/x
  3. Step 3: Cross multiply
    104,278.78x = 156,424.26 × 40,237.26
  4. Step 4: Simplify right side
    104,278.78x = 6,294,083,619.93
  5. Step 5: Solve for x
    x = 6,294,083,619.93/104,278.78
  6. Step 6: Final answer
    x = 60,358.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.