Home / 154,293.72-231,438.16-49,111.16

Finding the Fourth Proportional to 154,293.72, 231,438.16 and 49,111.16

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Solution

The fourth proportional to 154,293.72, 231,438.16 and 49,111.16 is: 73,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,293.72 : 231,438.16 = 49,111.16 : x
  2. Step 2: Convert to fraction form
    154,293.72/231,438.16 = 49,111.16/x
  3. Step 3: Cross multiply
    154,293.72x = 231,438.16 × 49,111.16
  4. Step 4: Simplify right side
    154,293.72x = 11,366,196,505.87
  5. Step 5: Solve for x
    x = 11,366,196,505.87/154,293.72
  6. Step 6: Final answer
    x = 73,665.97

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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.