Home / 126,431.25-189,657.81-32,937

Finding the Fourth Proportional to 126,431.25, 189,657.81 and 32,937

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Solution

The fourth proportional to 126,431.25, 189,657.81 and 32,937 is: 49,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,431.25 : 189,657.81 = 32,937 : x
  2. Step 2: Convert to fraction form
    126,431.25/189,657.81 = 32,937/x
  3. Step 3: Cross multiply
    126,431.25x = 189,657.81 × 32,937
  4. Step 4: Simplify right side
    126,431.25x = 6,246,759,287.97
  5. Step 5: Solve for x
    x = 6,246,759,287.97/126,431.25
  6. Step 6: Final answer
    x = 49,408.35

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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.