Home / 139,014.72-208,536.66-45,527.76

Finding the Fourth Proportional to 139,014.72, 208,536.66 and 45,527.76

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Solution

The fourth proportional to 139,014.72, 208,536.66 and 45,527.76 is: 68,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,014.72 : 208,536.66 = 45,527.76 : x
  2. Step 2: Convert to fraction form
    139,014.72/208,536.66 = 45,527.76/x
  3. Step 3: Cross multiply
    139,014.72x = 208,536.66 × 45,527.76
  4. Step 4: Simplify right side
    139,014.72x = 9,494,207,007.68
  5. Step 5: Solve for x
    x = 9,494,207,007.68/139,014.72
  6. Step 6: Final answer
    x = 68,296.41

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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.