Home / 144,650.24-199,621.50-80,987.66

Finding the Fourth Proportional to 144,650.24, 199,621.50 and 80,987.66

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Solution

The fourth proportional to 144,650.24, 199,621.50 and 80,987.66 is: 111,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,650.24 : 199,621.50 = 80,987.66 : x
  2. Step 2: Convert to fraction form
    144,650.24/199,621.50 = 80,987.66/x
  3. Step 3: Cross multiply
    144,650.24x = 199,621.50 × 80,987.66
  4. Step 4: Simplify right side
    144,650.24x = 16,166,878,170.69
  5. Step 5: Solve for x
    x = 16,166,878,170.69/144,650.24
  6. Step 6: Final answer
    x = 111,765.30

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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.