Home / 125,352.43-172,921.93-82,325.75

Finding the Fourth Proportional to 125,352.43, 172,921.93 and 82,325.75

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Solution

The fourth proportional to 125,352.43, 172,921.93 and 82,325.75 is: 113,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,352.43 : 172,921.93 = 82,325.75 : x
  2. Step 2: Convert to fraction form
    125,352.43/172,921.93 = 82,325.75/x
  3. Step 3: Cross multiply
    125,352.43x = 172,921.93 × 82,325.75
  4. Step 4: Simplify right side
    125,352.43x = 14,235,926,508.27
  5. Step 5: Solve for x
    x = 14,235,926,508.27/125,352.43
  6. Step 6: Final answer
    x = 113,567.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.