Home / 144,439.27-199,325.51-80,777.32

Finding the Fourth Proportional to 144,439.27, 199,325.51 and 80,777.32

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Solution

The fourth proportional to 144,439.27, 199,325.51 and 80,777.32 is: 111,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,439.27 : 199,325.51 = 80,777.32 : x
  2. Step 2: Convert to fraction form
    144,439.27/199,325.51 = 80,777.32/x
  3. Step 3: Cross multiply
    144,439.27x = 199,325.51 × 80,777.32
  4. Step 4: Simplify right side
    144,439.27x = 16,100,980,505.43
  5. Step 5: Solve for x
    x = 16,100,980,505.43/144,439.27
  6. Step 6: Final answer
    x = 111,472.32

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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.