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Finding the Fourth Proportional to 109,023.88, 150,410.23 and 80,412.22

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Solution

The fourth proportional to 109,023.88, 150,410.23 and 80,412.22 is: 110,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,023.88 : 150,410.23 = 80,412.22 : x
  2. Step 2: Convert to fraction form
    109,023.88/150,410.23 = 80,412.22/x
  3. Step 3: Cross multiply
    109,023.88x = 150,410.23 × 80,412.22
  4. Step 4: Simplify right side
    109,023.88x = 12,094,820,505.01
  5. Step 5: Solve for x
    x = 12,094,820,505.01/109,023.88
  6. Step 6: Final answer
    x = 110,937.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.