Home / 199,510.10-275,330.58-108,871.04

Finding the Fourth Proportional to 199,510.10, 275,330.58 and 108,871.04

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Solution

The fourth proportional to 199,510.10, 275,330.58 and 108,871.04 is: 150,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,510.10 : 275,330.58 = 108,871.04 : x
  2. Step 2: Convert to fraction form
    199,510.10/275,330.58 = 108,871.04/x
  3. Step 3: Cross multiply
    199,510.10x = 275,330.58 × 108,871.04
  4. Step 4: Simplify right side
    199,510.10x = 29,975,526,588.40
  5. Step 5: Solve for x
    x = 29,975,526,588.40/199,510.10
  6. Step 6: Final answer
    x = 150,245.66

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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.