Home / 144,961.85-200,057.34-81,303.75

Finding the Fourth Proportional to 144,961.85, 200,057.34 and 81,303.75

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Solution

The fourth proportional to 144,961.85, 200,057.34 and 81,303.75 is: 112,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,961.85 : 200,057.34 = 81,303.75 : x
  2. Step 2: Convert to fraction form
    144,961.85/200,057.34 = 81,303.75/x
  3. Step 3: Cross multiply
    144,961.85x = 200,057.34 × 81,303.75
  4. Step 4: Simplify right side
    144,961.85x = 16,265,412,261.91
  5. Step 5: Solve for x
    x = 16,265,412,261.91/144,961.85
  6. Step 6: Final answer
    x = 112,204.78

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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.