Home / 104,226.20-156,412.20-66,877.10

Finding the Fourth Proportional to 104,226.20, 156,412.20 and 66,877.10

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Solution

The fourth proportional to 104,226.20, 156,412.20 and 66,877.10 is: 100,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,226.20 : 156,412.20 = 66,877.10 : x
  2. Step 2: Convert to fraction form
    104,226.20/156,412.20 = 66,877.10/x
  3. Step 3: Cross multiply
    104,226.20x = 156,412.20 × 66,877.10
  4. Step 4: Simplify right side
    104,226.20x = 10,460,394,340.62
  5. Step 5: Solve for x
    x = 10,460,394,340.62/104,226.20
  6. Step 6: Final answer
    x = 100,362.43

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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.