Home / 137,317.03-206,004.95-42,545.11

Finding the Fourth Proportional to 137,317.03, 206,004.95 and 42,545.11

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Solution

The fourth proportional to 137,317.03, 206,004.95 and 42,545.11 is: 63,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,317.03 : 206,004.95 = 42,545.11 : x
  2. Step 2: Convert to fraction form
    137,317.03/206,004.95 = 42,545.11/x
  3. Step 3: Cross multiply
    137,317.03x = 206,004.95 × 42,545.11
  4. Step 4: Simplify right side
    137,317.03x = 8,764,503,425.88
  5. Step 5: Solve for x
    x = 8,764,503,425.88/137,317.03
  6. Step 6: Final answer
    x = 63,826.78

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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.