Home / 144,249.36-199,060.22-78,835.60

Finding the Fourth Proportional to 144,249.36, 199,060.22 and 78,835.60

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Solution

The fourth proportional to 144,249.36, 199,060.22 and 78,835.60 is: 108,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,249.36 : 199,060.22 = 78,835.60 : x
  2. Step 2: Convert to fraction form
    144,249.36/199,060.22 = 78,835.60/x
  3. Step 3: Cross multiply
    144,249.36x = 199,060.22 × 78,835.60
  4. Step 4: Simplify right side
    144,249.36x = 15,693,031,879.83
  5. Step 5: Solve for x
    x = 15,693,031,879.83/144,249.36
  6. Step 6: Final answer
    x = 108,791.00

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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.