Home / 143,815.01-198,471.46-80,153.26

Finding the Fourth Proportional to 143,815.01, 198,471.46 and 80,153.26

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Solution

The fourth proportional to 143,815.01, 198,471.46 and 80,153.26 is: 110,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,815.01 : 198,471.46 = 80,153.26 : x
  2. Step 2: Convert to fraction form
    143,815.01/198,471.46 = 80,153.26/x
  3. Step 3: Cross multiply
    143,815.01x = 198,471.46 × 80,153.26
  4. Step 4: Simplify right side
    143,815.01x = 15,908,133,543.60
  5. Step 5: Solve for x
    x = 15,908,133,543.60/143,815.01
  6. Step 6: Final answer
    x = 110,615.26

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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.