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Finding the Fourth Proportional to 100,219.80, 150,329.70 and 93,610.20

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Solution

The fourth proportional to 100,219.80, 150,329.70 and 93,610.20 is: 140,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,219.80 : 150,329.70 = 93,610.20 : x
  2. Step 2: Convert to fraction form
    100,219.80/150,329.70 = 93,610.20/x
  3. Step 3: Cross multiply
    100,219.80x = 150,329.70 × 93,610.20
  4. Step 4: Simplify right side
    100,219.80x = 14,072,393,282.94
  5. Step 5: Solve for x
    x = 14,072,393,282.94/100,219.80
  6. Step 6: Final answer
    x = 140,415.30

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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.