Home / 104,026.90-156,128.82-40,891.24

Finding the Fourth Proportional to 104,026.90, 156,128.82 and 40,891.24

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Solution

The fourth proportional to 104,026.90, 156,128.82 and 40,891.24 is: 61,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,026.90 : 156,128.82 = 40,891.24 : x
  2. Step 2: Convert to fraction form
    104,026.90/156,128.82 = 40,891.24/x
  3. Step 3: Cross multiply
    104,026.90x = 156,128.82 × 40,891.24
  4. Step 4: Simplify right side
    104,026.90x = 6,384,301,049.54
  5. Step 5: Solve for x
    x = 6,384,301,049.54/104,026.90
  6. Step 6: Final answer
    x = 61,371.64

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1.5x scale

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.