Home / 139,022.48-207,516.33-119,426.96

Finding the Fourth Proportional to 139,022.48, 207,516.33 and 119,426.96

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Solution

The fourth proportional to 139,022.48, 207,516.33 and 119,426.96 is: 178,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,022.48 : 207,516.33 = 119,426.96 : x
  2. Step 2: Convert to fraction form
    139,022.48/207,516.33 = 119,426.96/x
  3. Step 3: Cross multiply
    139,022.48x = 207,516.33 × 119,426.96
  4. Step 4: Simplify right side
    139,022.48x = 24,783,043,845.12
  5. Step 5: Solve for x
    x = 24,783,043,845.12/139,022.48
  6. Step 6: Final answer
    x = 178,266.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.