Home / 139,204.14-192,101.83-75,541.93

Finding the Fourth Proportional to 139,204.14, 192,101.83 and 75,541.93

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Solution

The fourth proportional to 139,204.14, 192,101.83 and 75,541.93 is: 104,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,204.14 : 192,101.83 = 75,541.93 : x
  2. Step 2: Convert to fraction form
    139,204.14/192,101.83 = 75,541.93/x
  3. Step 3: Cross multiply
    139,204.14x = 192,101.83 × 75,541.93
  4. Step 4: Simplify right side
    139,204.14x = 14,511,742,325.62
  5. Step 5: Solve for x
    x = 14,511,742,325.62/139,204.14
  6. Step 6: Final answer
    x = 104,247.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.