Home / 139,077.81-208,605.78-39,233.97

Finding the Fourth Proportional to 139,077.81, 208,605.78 and 39,233.97

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Solution

The fourth proportional to 139,077.81, 208,605.78 and 39,233.97 is: 58,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,077.81 : 208,605.78 = 39,233.97 : x
  2. Step 2: Convert to fraction form
    139,077.81/208,605.78 = 39,233.97/x
  3. Step 3: Cross multiply
    139,077.81x = 208,605.78 × 39,233.97
  4. Step 4: Simplify right side
    139,077.81x = 8,184,432,914.35
  5. Step 5: Solve for x
    x = 8,184,432,914.35/139,077.81
  6. Step 6: Final answer
    x = 58,847.87

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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.