Home / 104,884.32-144,739.08-57,137.64

Finding the Fourth Proportional to 104,884.32, 144,739.08 and 57,137.64

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Solution

The fourth proportional to 104,884.32, 144,739.08 and 57,137.64 is: 78,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,884.32 : 144,739.08 = 57,137.64 : x
  2. Step 2: Convert to fraction form
    104,884.32/144,739.08 = 57,137.64/x
  3. Step 3: Cross multiply
    104,884.32x = 144,739.08 × 57,137.64
  4. Step 4: Simplify right side
    104,884.32x = 8,270,049,446.97
  5. Step 5: Solve for x
    x = 8,270,049,446.97/104,884.32
  6. Step 6: Final answer
    x = 78,849.25

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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.