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Finding the Fourth Proportional to 100,007.40, 150,108.30 and 60,641.40

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Solution

The fourth proportional to 100,007.40, 150,108.30 and 60,641.40 is: 91,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,007.40 : 150,108.30 = 60,641.40 : x
  2. Step 2: Convert to fraction form
    100,007.40/150,108.30 = 60,641.40/x
  3. Step 3: Cross multiply
    100,007.40x = 150,108.30 × 60,641.40
  4. Step 4: Simplify right side
    100,007.40x = 9,102,777,463.62
  5. Step 5: Solve for x
    x = 9,102,777,463.62/100,007.40
  6. Step 6: Final answer
    x = 91,021.04

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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.