Home / 194,643.72-292,299.12-120,204.36

Finding the Fourth Proportional to 194,643.72, 292,299.12 and 120,204.36

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Solution

The fourth proportional to 194,643.72, 292,299.12 and 120,204.36 is: 180,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,643.72 : 292,299.12 = 120,204.36 : x
  2. Step 2: Convert to fraction form
    194,643.72/292,299.12 = 120,204.36/x
  3. Step 3: Cross multiply
    194,643.72x = 292,299.12 × 120,204.36
  4. Step 4: Simplify right side
    194,643.72x = 35,135,628,648.16
  5. Step 5: Solve for x
    x = 35,135,628,648.16/194,643.72
  6. Step 6: Final answer
    x = 180,512.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.