Home / 144,856.36-199,902.22-80,330.14

Finding the Fourth Proportional to 144,856.36, 199,902.22 and 80,330.14

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Solution

The fourth proportional to 144,856.36, 199,902.22 and 80,330.14 is: 110,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,856.36 : 199,902.22 = 80,330.14 : x
  2. Step 2: Convert to fraction form
    144,856.36/199,902.22 = 80,330.14/x
  3. Step 3: Cross multiply
    144,856.36x = 199,902.22 × 80,330.14
  4. Step 4: Simplify right side
    144,856.36x = 16,058,172,618.33
  5. Step 5: Solve for x
    x = 16,058,172,618.33/144,856.36
  6. Step 6: Final answer
    x = 110,855.84

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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.