Home / 199,047.28-274,679.64-108,401.20

Finding the Fourth Proportional to 199,047.28, 274,679.64 and 108,401.20

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Solution

The fourth proportional to 199,047.28, 274,679.64 and 108,401.20 is: 149,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,047.28 : 274,679.64 = 108,401.20 : x
  2. Step 2: Convert to fraction form
    199,047.28/274,679.64 = 108,401.20/x
  3. Step 3: Cross multiply
    199,047.28x = 274,679.64 × 108,401.20
  4. Step 4: Simplify right side
    199,047.28x = 29,775,602,591.57
  5. Step 5: Solve for x
    x = 29,775,602,591.57/199,047.28
  6. Step 6: Final answer
    x = 149,590.60

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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.