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Finding the Fourth Proportional to 144,959.96, 200,044.35 and 81,299.12

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Solution

The fourth proportional to 144,959.96, 200,044.35 and 81,299.12 is: 112,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,959.96 : 200,044.35 = 81,299.12 : x
  2. Step 2: Convert to fraction form
    144,959.96/200,044.35 = 81,299.12/x
  3. Step 3: Cross multiply
    144,959.96x = 200,044.35 × 81,299.12
  4. Step 4: Simplify right side
    144,959.96x = 16,263,428,615.75
  5. Step 5: Solve for x
    x = 16,263,428,615.75/144,959.96
  6. Step 6: Final answer
    x = 112,192.56

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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.