Home / 126,274.60-189,410.28-36,319.51

Finding the Fourth Proportional to 126,274.60, 189,410.28 and 36,319.51

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Solution

The fourth proportional to 126,274.60, 189,410.28 and 36,319.51 is: 54,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,274.60 : 189,410.28 = 36,319.51 : x
  2. Step 2: Convert to fraction form
    126,274.60/189,410.28 = 36,319.51/x
  3. Step 3: Cross multiply
    126,274.60x = 189,410.28 × 36,319.51
  4. Step 4: Simplify right side
    126,274.60x = 6,879,288,558.56
  5. Step 5: Solve for x
    x = 6,879,288,558.56/126,274.60
  6. Step 6: Final answer
    x = 54,478.80

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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.