Home / 144,057.10-198,810.04-80,404.46

Finding the Fourth Proportional to 144,057.10, 198,810.04 and 80,404.46

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Solution

The fourth proportional to 144,057.10, 198,810.04 and 80,404.46 is: 110,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,057.10 : 198,810.04 = 80,404.46 : x
  2. Step 2: Convert to fraction form
    144,057.10/198,810.04 = 80,404.46/x
  3. Step 3: Cross multiply
    144,057.10x = 198,810.04 × 80,404.46
  4. Step 4: Simplify right side
    144,057.10x = 15,985,213,908.78
  5. Step 5: Solve for x
    x = 15,985,213,908.78/144,057.10
  6. Step 6: Final answer
    x = 110,964.43

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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.