Home / 104,906.10-144,771.12-57,159.30

Finding the Fourth Proportional to 104,906.10, 144,771.12 and 57,159.30

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Solution

The fourth proportional to 104,906.10, 144,771.12 and 57,159.30 is: 78,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.10 : 144,771.12 = 57,159.30 : x
  2. Step 2: Convert to fraction form
    104,906.10/144,771.12 = 57,159.30/x
  3. Step 3: Cross multiply
    104,906.10x = 144,771.12 × 57,159.30
  4. Step 4: Simplify right side
    104,906.10x = 8,275,015,879.42
  5. Step 5: Solve for x
    x = 8,275,015,879.42/104,906.10
  6. Step 6: Final answer
    x = 78,880.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.