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Finding the Fourth Proportional to 139,322.92, 192,296.24 and 91,580.68

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Solution

The fourth proportional to 139,322.92, 192,296.24 and 91,580.68 is: 126,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,322.92 : 192,296.24 = 91,580.68 : x
  2. Step 2: Convert to fraction form
    139,322.92/192,296.24 = 91,580.68/x
  3. Step 3: Cross multiply
    139,322.92x = 192,296.24 × 91,580.68
  4. Step 4: Simplify right side
    139,322.92x = 17,610,620,420.64
  5. Step 5: Solve for x
    x = 17,610,620,420.64/139,322.92
  6. Step 6: Final answer
    x = 126,401.46

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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.