Home / 144,008.68-198,731.22-80,346.36

Finding the Fourth Proportional to 144,008.68, 198,731.22 and 80,346.36

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Solution

The fourth proportional to 144,008.68, 198,731.22 and 80,346.36 is: 110,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,008.68 : 198,731.22 = 80,346.36 : x
  2. Step 2: Convert to fraction form
    144,008.68/198,731.22 = 80,346.36/x
  3. Step 3: Cross multiply
    144,008.68x = 198,731.22 × 80,346.36
  4. Step 4: Simplify right side
    144,008.68x = 15,967,330,145.36
  5. Step 5: Solve for x
    x = 15,967,330,145.36/144,008.68
  6. Step 6: Final answer
    x = 110,877.55

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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.