Home / 139,916.20-209,874.29-34,735.17

Finding the Fourth Proportional to 139,916.20, 209,874.29 and 34,735.17

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Solution

The fourth proportional to 139,916.20, 209,874.29 and 34,735.17 is: 52,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,916.20 : 209,874.29 = 34,735.17 : x
  2. Step 2: Convert to fraction form
    139,916.20/209,874.29 = 34,735.17/x
  3. Step 3: Cross multiply
    139,916.20x = 209,874.29 × 34,735.17
  4. Step 4: Simplify right side
    139,916.20x = 7,290,018,769.97
  5. Step 5: Solve for x
    x = 7,290,018,769.97/139,916.20
  6. Step 6: Final answer
    x = 52,102.75

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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.