Home / 104,520.93-144,183.60-66,212.91

Finding the Fourth Proportional to 104,520.93, 144,183.60 and 66,212.91

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Solution

The fourth proportional to 104,520.93, 144,183.60 and 66,212.91 is: 91,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,520.93 : 144,183.60 = 66,212.91 : x
  2. Step 2: Convert to fraction form
    104,520.93/144,183.60 = 66,212.91/x
  3. Step 3: Cross multiply
    104,520.93x = 144,183.60 × 66,212.91
  4. Step 4: Simplify right side
    104,520.93x = 9,546,815,009.36
  5. Step 5: Solve for x
    x = 9,546,815,009.36/104,520.93
  6. Step 6: Final answer
    x = 91,338.79

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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.