Home / 104,340.90-156,514.04-28,440.06

Finding the Fourth Proportional to 104,340.90, 156,514.04 and 28,440.06

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Solution

The fourth proportional to 104,340.90, 156,514.04 and 28,440.06 is: 42,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,340.90 : 156,514.04 = 28,440.06 : x
  2. Step 2: Convert to fraction form
    104,340.90/156,514.04 = 28,440.06/x
  3. Step 3: Cross multiply
    104,340.90x = 156,514.04 × 28,440.06
  4. Step 4: Simplify right side
    104,340.90x = 4,451,268,688.44
  5. Step 5: Solve for x
    x = 4,451,268,688.44/104,340.90
  6. Step 6: Final answer
    x = 42,660.83

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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.