Home / 200,670.20-301,151.10-82,426.40

Finding the Fourth Proportional to 200,670.20, 301,151.10 and 82,426.40

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Solution

The fourth proportional to 200,670.20, 301,151.10 and 82,426.40 is: 123,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,670.20 : 301,151.10 = 82,426.40 : x
  2. Step 2: Convert to fraction form
    200,670.20/301,151.10 = 82,426.40/x
  3. Step 3: Cross multiply
    200,670.20x = 301,151.10 × 82,426.40
  4. Step 4: Simplify right side
    200,670.20x = 24,822,801,029.04
  5. Step 5: Solve for x
    x = 24,822,801,029.04/200,670.20
  6. Step 6: Final answer
    x = 123,699.49

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1.5x scale

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.