Home / 200,225.78-276,256.94-117,439.32

Finding the Fourth Proportional to 200,225.78, 276,256.94 and 117,439.32

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Solution

The fourth proportional to 200,225.78, 276,256.94 and 117,439.32 is: 162,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,225.78 : 276,256.94 = 117,439.32 : x
  2. Step 2: Convert to fraction form
    200,225.78/276,256.94 = 117,439.32/x
  3. Step 3: Cross multiply
    200,225.78x = 276,256.94 × 117,439.32
  4. Step 4: Simplify right side
    200,225.78x = 32,443,427,178.88
  5. Step 5: Solve for x
    x = 32,443,427,178.88/200,225.78
  6. Step 6: Final answer
    x = 162,034.22

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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.