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Finding the Fourth Proportional to 109,495.56, 164,253.84 and 50,347.68

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Solution

The fourth proportional to 109,495.56, 164,253.84 and 50,347.68 is: 75,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,495.56 : 164,253.84 = 50,347.68 : x
  2. Step 2: Convert to fraction form
    109,495.56/164,253.84 = 50,347.68/x
  3. Step 3: Cross multiply
    109,495.56x = 164,253.84 × 50,347.68
  4. Step 4: Simplify right side
    109,495.56x = 8,269,799,775.09
  5. Step 5: Solve for x
    x = 8,269,799,775.09/109,495.56
  6. Step 6: Final answer
    x = 75,526.35

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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.