Home / 144,060.22-198,813.15-80,399.06

Finding the Fourth Proportional to 144,060.22, 198,813.15 and 80,399.06

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Solution

The fourth proportional to 144,060.22, 198,813.15 and 80,399.06 is: 110,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,060.22 : 198,813.15 = 80,399.06 : x
  2. Step 2: Convert to fraction form
    144,060.22/198,813.15 = 80,399.06/x
  3. Step 3: Cross multiply
    144,060.22x = 198,813.15 × 80,399.06
  4. Step 4: Simplify right side
    144,060.22x = 15,984,390,375.64
  5. Step 5: Solve for x
    x = 15,984,390,375.64/144,060.22
  6. Step 6: Final answer
    x = 110,956.31

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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.