Home / 200,207.78-276,586.73-131,460.30

Finding the Fourth Proportional to 200,207.78, 276,586.73 and 131,460.30

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Solution

The fourth proportional to 200,207.78, 276,586.73 and 131,460.30 is: 181,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,207.78 : 276,586.73 = 131,460.30 : x
  2. Step 2: Convert to fraction form
    200,207.78/276,586.73 = 131,460.30/x
  3. Step 3: Cross multiply
    200,207.78x = 276,586.73 × 131,460.30
  4. Step 4: Simplify right side
    200,207.78x = 36,360,173,844.52
  5. Step 5: Solve for x
    x = 36,360,173,844.52/200,207.78
  6. Step 6: Final answer
    x = 181,612.20

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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.