Home / 204,895.40-307,343.10-149,126.90

Finding the Fourth Proportional to 204,895.40, 307,343.10 and 149,126.90

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Solution

The fourth proportional to 204,895.40, 307,343.10 and 149,126.90 is: 223,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,895.40 : 307,343.10 = 149,126.90 : x
  2. Step 2: Convert to fraction form
    204,895.40/307,343.10 = 149,126.90/x
  3. Step 3: Cross multiply
    204,895.40x = 307,343.10 × 149,126.90
  4. Step 4: Simplify right side
    204,895.40x = 45,833,123,739.39
  5. Step 5: Solve for x
    x = 45,833,123,739.39/204,895.40
  6. Step 6: Final answer
    x = 223,690.35

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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.