Home / 126,352.67-189,465.63-42,083.21

Finding the Fourth Proportional to 126,352.67, 189,465.63 and 42,083.21

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Solution

The fourth proportional to 126,352.67, 189,465.63 and 42,083.21 is: 63,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,352.67 : 189,465.63 = 42,083.21 : x
  2. Step 2: Convert to fraction form
    126,352.67/189,465.63 = 42,083.21/x
  3. Step 3: Cross multiply
    126,352.67x = 189,465.63 × 42,083.21
  4. Step 4: Simplify right side
    126,352.67x = 7,973,321,684.66
  5. Step 5: Solve for x
    x = 7,973,321,684.66/126,352.67
  6. Step 6: Final answer
    x = 63,103.71

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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.