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Finding the Fourth Proportional to 173,234.76, 239,023.26 and 105,249.72

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Solution

The fourth proportional to 173,234.76, 239,023.26 and 105,249.72 is: 145,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,234.76 : 239,023.26 = 105,249.72 : x
  2. Step 2: Convert to fraction form
    173,234.76/239,023.26 = 105,249.72/x
  3. Step 3: Cross multiply
    173,234.76x = 239,023.26 × 105,249.72
  4. Step 4: Simplify right side
    173,234.76x = 25,157,131,188.49
  5. Step 5: Solve for x
    x = 25,157,131,188.49/173,234.76
  6. Step 6: Final answer
    x = 145,219.88

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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.