Home / 199,354.27-275,115.54-108,715.20

Finding the Fourth Proportional to 199,354.27, 275,115.54 and 108,715.20

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Solution

The fourth proportional to 199,354.27, 275,115.54 and 108,715.20 is: 150,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,354.27 : 275,115.54 = 108,715.20 : x
  2. Step 2: Convert to fraction form
    199,354.27/275,115.54 = 108,715.20/x
  3. Step 3: Cross multiply
    199,354.27x = 275,115.54 × 108,715.20
  4. Step 4: Simplify right side
    199,354.27x = 29,909,240,266.42
  5. Step 5: Solve for x
    x = 29,909,240,266.42/199,354.27
  6. Step 6: Final answer
    x = 150,030.60

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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.