Home / 139,719.78-209,605.59-46,226.34

Finding the Fourth Proportional to 139,719.78, 209,605.59 and 46,226.34

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Solution

The fourth proportional to 139,719.78, 209,605.59 and 46,226.34 is: 69,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,719.78 : 209,605.59 = 46,226.34 : x
  2. Step 2: Convert to fraction form
    139,719.78/209,605.59 = 46,226.34/x
  3. Step 3: Cross multiply
    139,719.78x = 209,605.59 × 46,226.34
  4. Step 4: Simplify right side
    139,719.78x = 9,689,299,269.24
  5. Step 5: Solve for x
    x = 9,689,299,269.24/139,719.78
  6. Step 6: Final answer
    x = 69,348.09

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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.