Home / 104,150.11-143,728.55-58,207.73

Finding the Fourth Proportional to 104,150.11, 143,728.55 and 58,207.73

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Solution

The fourth proportional to 104,150.11, 143,728.55 and 58,207.73 is: 80,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.11 : 143,728.55 = 58,207.73 : x
  2. Step 2: Convert to fraction form
    104,150.11/143,728.55 = 58,207.73/x
  3. Step 3: Cross multiply
    104,150.11x = 143,728.55 × 58,207.73
  4. Step 4: Simplify right side
    104,150.11x = 8,366,112,631.69
  5. Step 5: Solve for x
    x = 8,366,112,631.69/104,150.11
  6. Step 6: Final answer
    x = 80,327.45

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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.