Home / 144,444.52-199,334.12-80,782.31

Finding the Fourth Proportional to 144,444.52, 199,334.12 and 80,782.31

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Solution

The fourth proportional to 144,444.52, 199,334.12 and 80,782.31 is: 111,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,444.52 : 199,334.12 = 80,782.31 : x
  2. Step 2: Convert to fraction form
    144,444.52/199,334.12 = 80,782.31/x
  3. Step 3: Cross multiply
    144,444.52x = 199,334.12 × 80,782.31
  4. Step 4: Simplify right side
    144,444.52x = 16,102,670,769.84
  5. Step 5: Solve for x
    x = 16,102,670,769.84/144,444.52
  6. Step 6: Final answer
    x = 111,479.97

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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.