Home / 103,423.10-155,161.65-33,304.10

Finding the Fourth Proportional to 103,423.10, 155,161.65 and 33,304.10

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Solution

The fourth proportional to 103,423.10, 155,161.65 and 33,304.10 is: 49,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423.10 : 155,161.65 = 33,304.10 : x
  2. Step 2: Convert to fraction form
    103,423.10/155,161.65 = 33,304.10/x
  3. Step 3: Cross multiply
    103,423.10x = 155,161.65 × 33,304.10
  4. Step 4: Simplify right side
    103,423.10x = 5,167,519,107.77
  5. Step 5: Solve for x
    x = 5,167,519,107.77/103,423.10
  6. Step 6: Final answer
    x = 49,964.84

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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.