Home / 104,155.36-156,282.68-72,183.81

Finding the Fourth Proportional to 104,155.36, 156,282.68 and 72,183.81

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Solution

The fourth proportional to 104,155.36, 156,282.68 and 72,183.81 is: 108,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,155.36 : 156,282.68 = 72,183.81 : x
  2. Step 2: Convert to fraction form
    104,155.36/156,282.68 = 72,183.81/x
  3. Step 3: Cross multiply
    104,155.36x = 156,282.68 × 72,183.81
  4. Step 4: Simplify right side
    104,155.36x = 11,281,079,851.29
  5. Step 5: Solve for x
    x = 11,281,079,851.29/104,155.36
  6. Step 6: Final answer
    x = 108,310.12

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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.