Home / 126,323.68-189,504.24-42,056.32

Finding the Fourth Proportional to 126,323.68, 189,504.24 and 42,056.32

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Solution

The fourth proportional to 126,323.68, 189,504.24 and 42,056.32 is: 63,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,323.68 : 189,504.24 = 42,056.32 : x
  2. Step 2: Convert to fraction form
    126,323.68/189,504.24 = 42,056.32/x
  3. Step 3: Cross multiply
    126,323.68x = 189,504.24 × 42,056.32
  4. Step 4: Simplify right side
    126,323.68x = 7,969,850,958.80
  5. Step 5: Solve for x
    x = 7,969,850,958.80/126,323.68
  6. Step 6: Final answer
    x = 63,090.71

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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.