Home / 213,591.92-294,749.60-122,935.32

Finding the Fourth Proportional to 213,591.92, 294,749.60 and 122,935.32

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Solution

The fourth proportional to 213,591.92, 294,749.60 and 122,935.32 is: 169,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,591.92 : 294,749.60 = 122,935.32 : x
  2. Step 2: Convert to fraction form
    213,591.92/294,749.60 = 122,935.32/x
  3. Step 3: Cross multiply
    213,591.92x = 294,749.60 × 122,935.32
  4. Step 4: Simplify right side
    213,591.92x = 36,235,136,395.87
  5. Step 5: Solve for x
    x = 36,235,136,395.87/213,591.92
  6. Step 6: Final answer
    x = 169,646.57

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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.