Home / 103,280.10-154,920.15-33,208.62

Finding the Fourth Proportional to 103,280.10, 154,920.15 and 33,208.62

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Solution

The fourth proportional to 103,280.10, 154,920.15 and 33,208.62 is: 49,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,280.10 : 154,920.15 = 33,208.62 : x
  2. Step 2: Convert to fraction form
    103,280.10/154,920.15 = 33,208.62/x
  3. Step 3: Cross multiply
    103,280.10x = 154,920.15 × 33,208.62
  4. Step 4: Simplify right side
    103,280.10x = 5,144,684,391.69
  5. Step 5: Solve for x
    x = 5,144,684,391.69/103,280.10
  6. Step 6: Final answer
    x = 49,812.93

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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.