Home / 144,231.88-198,996.30-83,790.76

Finding the Fourth Proportional to 144,231.88, 198,996.30 and 83,790.76

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Solution

The fourth proportional to 144,231.88, 198,996.30 and 83,790.76 is: 115,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,231.88 : 198,996.30 = 83,790.76 : x
  2. Step 2: Convert to fraction form
    144,231.88/198,996.30 = 83,790.76/x
  3. Step 3: Cross multiply
    144,231.88x = 198,996.30 × 83,790.76
  4. Step 4: Simplify right side
    144,231.88x = 16,674,051,214.19
  5. Step 5: Solve for x
    x = 16,674,051,214.19/144,231.88
  6. Step 6: Final answer
    x = 115,605.86

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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.