Home / 103,331.10-154,960.20-47,198.10

Finding the Fourth Proportional to 103,331.10, 154,960.20 and 47,198.10

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Solution

The fourth proportional to 103,331.10, 154,960.20 and 47,198.10 is: 70,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.10 : 154,960.20 = 47,198.10 : x
  2. Step 2: Convert to fraction form
    103,331.10/154,960.20 = 47,198.10/x
  3. Step 3: Cross multiply
    103,331.10x = 154,960.20 × 47,198.10
  4. Step 4: Simplify right side
    103,331.10x = 7,313,827,015.62
  5. Step 5: Solve for x
    x = 7,313,827,015.62/103,331.10
  6. Step 6: Final answer
    x = 70,780.50

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1.5x scale

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.