Home / 144,371.70-199,287.65-129,236.98

Finding the Fourth Proportional to 144,371.70, 199,287.65 and 129,236.98

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Solution

The fourth proportional to 144,371.70, 199,287.65 and 129,236.98 is: 178,396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,371.70 : 199,287.65 = 129,236.98 : x
  2. Step 2: Convert to fraction form
    144,371.70/199,287.65 = 129,236.98/x
  3. Step 3: Cross multiply
    144,371.70x = 199,287.65 × 129,236.98
  4. Step 4: Simplify right side
    144,371.70x = 25,755,334,037.30
  5. Step 5: Solve for x
    x = 25,755,334,037.30/144,371.70
  6. Step 6: Final answer
    x = 178,396.00

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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.