Home / 137,465.37-189,245.57-123,293.61

Finding the Fourth Proportional to 137,465.37, 189,245.57 and 123,293.61

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Solution

The fourth proportional to 137,465.37, 189,245.57 and 123,293.61 is: 169,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,465.37 : 189,245.57 = 123,293.61 : x
  2. Step 2: Convert to fraction form
    137,465.37/189,245.57 = 123,293.61/x
  3. Step 3: Cross multiply
    137,465.37x = 189,245.57 × 123,293.61
  4. Step 4: Simplify right side
    137,465.37x = 23,332,768,885.34
  5. Step 5: Solve for x
    x = 23,332,768,885.34/137,465.37
  6. Step 6: Final answer
    x = 169,735.61

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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.