Home / 200,211.60-276,280.10-109,549.48

Finding the Fourth Proportional to 200,211.60, 276,280.10 and 109,549.48

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Solution

The fourth proportional to 200,211.60, 276,280.10 and 109,549.48 is: 151,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,211.60 : 276,280.10 = 109,549.48 : x
  2. Step 2: Convert to fraction form
    200,211.60/276,280.10 = 109,549.48/x
  3. Step 3: Cross multiply
    200,211.60x = 276,280.10 × 109,549.48
  4. Step 4: Simplify right side
    200,211.60x = 30,266,341,289.35
  5. Step 5: Solve for x
    x = 30,266,341,289.35/200,211.60
  6. Step 6: Final answer
    x = 151,171.77

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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.