Home / 144,327.84-199,181.76-80,668.32

Finding the Fourth Proportional to 144,327.84, 199,181.76 and 80,668.32

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Solution

The fourth proportional to 144,327.84, 199,181.76 and 80,668.32 is: 111,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,327.84 : 199,181.76 = 80,668.32 : x
  2. Step 2: Convert to fraction form
    144,327.84/199,181.76 = 80,668.32/x
  3. Step 3: Cross multiply
    144,327.84x = 199,181.76 × 80,668.32
  4. Step 4: Simplify right side
    144,327.84x = 16,067,657,953.84
  5. Step 5: Solve for x
    x = 16,067,657,953.84/144,327.84
  6. Step 6: Final answer
    x = 111,327.50

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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.