Home / 169,480.08-254,054.64-80,709.84

Finding the Fourth Proportional to 169,480.08, 254,054.64 and 80,709.84

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Solution

The fourth proportional to 169,480.08, 254,054.64 and 80,709.84 is: 120,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,480.08 : 254,054.64 = 80,709.84 : x
  2. Step 2: Convert to fraction form
    169,480.08/254,054.64 = 80,709.84/x
  3. Step 3: Cross multiply
    169,480.08x = 254,054.64 × 80,709.84
  4. Step 4: Simplify right side
    169,480.08x = 20,504,709,345.66
  5. Step 5: Solve for x
    x = 20,504,709,345.66/169,480.08
  6. Step 6: Final answer
    x = 120,985.96

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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.