Home / 445,368.42-667,921.92-125,499.06

Finding the Fourth Proportional to 445,368.42, 667,921.92 and 125,499.06

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Solution

The fourth proportional to 445,368.42, 667,921.92 and 125,499.06 is: 188,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,368.42 : 667,921.92 = 125,499.06 : x
  2. Step 2: Convert to fraction form
    445,368.42/667,921.92 = 125,499.06/x
  3. Step 3: Cross multiply
    445,368.42x = 667,921.92 × 125,499.06
  4. Step 4: Simplify right side
    445,368.42x = 83,823,573,113.40
  5. Step 5: Solve for x
    x = 83,823,573,113.40/445,368.42
  6. Step 6: Final answer
    x = 188,211.76

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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.