Home / 103,005.46-154,608.06-49,735.02

Finding the Fourth Proportional to 103,005.46, 154,608.06 and 49,735.02

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Solution

The fourth proportional to 103,005.46, 154,608.06 and 49,735.02 is: 74,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,005.46 : 154,608.06 = 49,735.02 : x
  2. Step 2: Convert to fraction form
    103,005.46/154,608.06 = 49,735.02/x
  3. Step 3: Cross multiply
    103,005.46x = 154,608.06 × 49,735.02
  4. Step 4: Simplify right side
    103,005.46x = 7,689,435,007.95
  5. Step 5: Solve for x
    x = 7,689,435,007.95/103,005.46
  6. Step 6: Final answer
    x = 74,650.75

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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.