Home / 104,336.73-156,155.18-85,616.01

Finding the Fourth Proportional to 104,336.73, 156,155.18 and 85,616.01

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Solution

The fourth proportional to 104,336.73, 156,155.18 and 85,616.01 is: 128,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,336.73 : 156,155.18 = 85,616.01 : x
  2. Step 2: Convert to fraction form
    104,336.73/156,155.18 = 85,616.01/x
  3. Step 3: Cross multiply
    104,336.73x = 156,155.18 × 85,616.01
  4. Step 4: Simplify right side
    104,336.73x = 13,369,383,024.35
  5. Step 5: Solve for x
    x = 13,369,383,024.35/104,336.73
  6. Step 6: Final answer
    x = 128,136.88

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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.