Home / 144,033.12-198,765.72-79,502.38

Finding the Fourth Proportional to 144,033.12, 198,765.72 and 79,502.38

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Solution

The fourth proportional to 144,033.12, 198,765.72 and 79,502.38 is: 109,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,033.12 : 198,765.72 = 79,502.38 : x
  2. Step 2: Convert to fraction form
    144,033.12/198,765.72 = 79,502.38/x
  3. Step 3: Cross multiply
    144,033.12x = 198,765.72 × 79,502.38
  4. Step 4: Simplify right side
    144,033.12x = 15,802,347,305.50
  5. Step 5: Solve for x
    x = 15,802,347,305.50/144,033.12
  6. Step 6: Final answer
    x = 109,713.29

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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.