Home / 139,332.82-209,007.18-44,571.34

Finding the Fourth Proportional to 139,332.82, 209,007.18 and 44,571.34

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Solution

The fourth proportional to 139,332.82, 209,007.18 and 44,571.34 is: 66,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,332.82 : 209,007.18 = 44,571.34 : x
  2. Step 2: Convert to fraction form
    139,332.82/209,007.18 = 44,571.34/x
  3. Step 3: Cross multiply
    139,332.82x = 209,007.18 × 44,571.34
  4. Step 4: Simplify right side
    139,332.82x = 9,315,730,082.22
  5. Step 5: Solve for x
    x = 9,315,730,082.22/139,332.82
  6. Step 6: Final answer
    x = 66,859.55

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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.