Home / 144,383.09-199,245.35-80,726.81

Finding the Fourth Proportional to 144,383.09, 199,245.35 and 80,726.81

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Solution

The fourth proportional to 144,383.09, 199,245.35 and 80,726.81 is: 111,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,383.09 : 199,245.35 = 80,726.81 : x
  2. Step 2: Convert to fraction form
    144,383.09/199,245.35 = 80,726.81/x
  3. Step 3: Cross multiply
    144,383.09x = 199,245.35 × 80,726.81
  4. Step 4: Simplify right side
    144,383.09x = 16,084,440,718.42
  5. Step 5: Solve for x
    x = 16,084,440,718.42/144,383.09
  6. Step 6: Final answer
    x = 111,401.14

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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.