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Finding the Fourth Proportional to 100,376.63, 150,623.26 and 44,972.63

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Solution

The fourth proportional to 100,376.63, 150,623.26 and 44,972.63 is: 67,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,376.63 : 150,623.26 = 44,972.63 : x
  2. Step 2: Convert to fraction form
    100,376.63/150,623.26 = 44,972.63/x
  3. Step 3: Cross multiply
    100,376.63x = 150,623.26 × 44,972.63
  4. Step 4: Simplify right side
    100,376.63x = 6,773,923,275.83
  5. Step 5: Solve for x
    x = 6,773,923,275.83/100,376.63
  6. Step 6: Final answer
    x = 67,485.07

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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.