Home / 126,419.40-189,639.96-32,925

Finding the Fourth Proportional to 126,419.40, 189,639.96 and 32,925

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Solution

The fourth proportional to 126,419.40, 189,639.96 and 32,925 is: 49,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,419.40 : 189,639.96 = 32,925 : x
  2. Step 2: Convert to fraction form
    126,419.40/189,639.96 = 32,925/x
  3. Step 3: Cross multiply
    126,419.40x = 189,639.96 × 32,925
  4. Step 4: Simplify right side
    126,419.40x = 6,243,895,683
  5. Step 5: Solve for x
    x = 6,243,895,683/126,419.40
  6. Step 6: Final answer
    x = 49,390.33

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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.