Home / 154,564.60-231,846.90-137,943.40

Finding the Fourth Proportional to 154,564.60, 231,846.90 and 137,943.40

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Solution

The fourth proportional to 154,564.60, 231,846.90 and 137,943.40 is: 206,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,564.60 : 231,846.90 = 137,943.40 : x
  2. Step 2: Convert to fraction form
    154,564.60/231,846.90 = 137,943.40/x
  3. Step 3: Cross multiply
    154,564.60x = 231,846.90 × 137,943.40
  4. Step 4: Simplify right side
    154,564.60x = 31,981,749,665.46
  5. Step 5: Solve for x
    x = 31,981,749,665.46/154,564.60
  6. Step 6: Final answer
    x = 206,915.10

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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.