Home / 154,448.40-231,672.60-137,535.60

Finding the Fourth Proportional to 154,448.40, 231,672.60 and 137,535.60

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Solution

The fourth proportional to 154,448.40, 231,672.60 and 137,535.60 is: 206,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,448.40 : 231,672.60 = 137,535.60 : x
  2. Step 2: Convert to fraction form
    154,448.40/231,672.60 = 137,535.60/x
  3. Step 3: Cross multiply
    154,448.40x = 231,672.60 × 137,535.60
  4. Step 4: Simplify right side
    154,448.40x = 31,863,230,044.56
  5. Step 5: Solve for x
    x = 31,863,230,044.56/154,448.40
  6. Step 6: Final answer
    x = 206,303.40

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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.