Home / 144,279.42-199,101.78-80,617.74

Finding the Fourth Proportional to 144,279.42, 199,101.78 and 80,617.74

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Solution

The fourth proportional to 144,279.42, 199,101.78 and 80,617.74 is: 111,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,279.42 : 199,101.78 = 80,617.74 : x
  2. Step 2: Convert to fraction form
    144,279.42/199,101.78 = 80,617.74/x
  3. Step 3: Cross multiply
    144,279.42x = 199,101.78 × 80,617.74
  4. Step 4: Simplify right side
    144,279.42x = 16,051,135,533.58
  5. Step 5: Solve for x
    x = 16,051,135,533.58/144,279.42
  6. Step 6: Final answer
    x = 111,250.35

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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.