Home / 144,039.09-198,780.30-80,377.14

Finding the Fourth Proportional to 144,039.09, 198,780.30 and 80,377.14

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Solution

The fourth proportional to 144,039.09, 198,780.30 and 80,377.14 is: 110,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,039.09 : 198,780.30 = 80,377.14 : x
  2. Step 2: Convert to fraction form
    144,039.09/198,780.30 = 80,377.14/x
  3. Step 3: Cross multiply
    144,039.09x = 198,780.30 × 80,377.14
  4. Step 4: Simplify right side
    144,039.09x = 15,977,392,002.34
  5. Step 5: Solve for x
    x = 15,977,392,002.34/144,039.09
  6. Step 6: Final answer
    x = 110,924.00

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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.