Home / 144,909.44-199,975.02-81,247.22

Finding the Fourth Proportional to 144,909.44, 199,975.02 and 81,247.22

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Solution

The fourth proportional to 144,909.44, 199,975.02 and 81,247.22 is: 112,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,909.44 : 199,975.02 = 81,247.22 : x
  2. Step 2: Convert to fraction form
    144,909.44/199,975.02 = 81,247.22/x
  3. Step 3: Cross multiply
    144,909.44x = 199,975.02 × 81,247.22
  4. Step 4: Simplify right side
    144,909.44x = 16,247,414,444.44
  5. Step 5: Solve for x
    x = 16,247,414,444.44/144,909.44
  6. Step 6: Final answer
    x = 112,121.16

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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.