Home / 200,203.45-276,160.69-132,220.55

Finding the Fourth Proportional to 200,203.45, 276,160.69 and 132,220.55

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Solution

The fourth proportional to 200,203.45, 276,160.69 and 132,220.55 is: 182,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,203.45 : 276,160.69 = 132,220.55 : x
  2. Step 2: Convert to fraction form
    200,203.45/276,160.69 = 132,220.55/x
  3. Step 3: Cross multiply
    200,203.45x = 276,160.69 × 132,220.55
  4. Step 4: Simplify right side
    200,203.45x = 36,514,119,175.86
  5. Step 5: Solve for x
    x = 36,514,119,175.86/200,203.45
  6. Step 6: Final answer
    x = 182,385.07

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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.