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Finding the Fourth Proportional to 100,003.26, 150,005.04 and 40,838.94

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Solution

The fourth proportional to 100,003.26, 150,005.04 and 40,838.94 is: 61,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,003.26 : 150,005.04 = 40,838.94 : x
  2. Step 2: Convert to fraction form
    100,003.26/150,005.04 = 40,838.94/x
  3. Step 3: Cross multiply
    100,003.26x = 150,005.04 × 40,838.94
  4. Step 4: Simplify right side
    100,003.26x = 6,126,046,828.26
  5. Step 5: Solve for x
    x = 6,126,046,828.26/100,003.26
  6. Step 6: Final answer
    x = 61,258.47

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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.