Home / 104,008.40-156,166.20-80,661.20

Finding the Fourth Proportional to 104,008.40, 156,166.20 and 80,661.20

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Solution

The fourth proportional to 104,008.40, 156,166.20 and 80,661.20 is: 121,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.40 : 156,166.20 = 80,661.20 : x
  2. Step 2: Convert to fraction form
    104,008.40/156,166.20 = 80,661.20/x
  3. Step 3: Cross multiply
    104,008.40x = 156,166.20 × 80,661.20
  4. Step 4: Simplify right side
    104,008.40x = 12,596,553,091.44
  5. Step 5: Solve for x
    x = 12,596,553,091.44/104,008.40
  6. Step 6: Final answer
    x = 121,110.92

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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.