Home / 154,640.67-231,567.21-101,890.23

Finding the Fourth Proportional to 154,640.67, 231,567.21 and 101,890.23

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Solution

The fourth proportional to 154,640.67, 231,567.21 and 101,890.23 is: 152,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,640.67 : 231,567.21 = 101,890.23 : x
  2. Step 2: Convert to fraction form
    154,640.67/231,567.21 = 101,890.23/x
  3. Step 3: Cross multiply
    154,640.67x = 231,567.21 × 101,890.23
  4. Step 4: Simplify right side
    154,640.67x = 23,594,436,287.36
  5. Step 5: Solve for x
    x = 23,594,436,287.36/154,640.67
  6. Step 6: Final answer
    x = 152,575.88

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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.