Home / 139,252.11-192,098.03-93,872.67

Finding the Fourth Proportional to 139,252.11, 192,098.03 and 93,872.67

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Solution

The fourth proportional to 139,252.11, 192,098.03 and 93,872.67 is: 129,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,252.11 : 192,098.03 = 93,872.67 : x
  2. Step 2: Convert to fraction form
    139,252.11/192,098.03 = 93,872.67/x
  3. Step 3: Cross multiply
    139,252.11x = 192,098.03 × 93,872.67
  4. Step 4: Simplify right side
    139,252.11x = 18,032,754,508.48
  5. Step 5: Solve for x
    x = 18,032,754,508.48/139,252.11
  6. Step 6: Final answer
    x = 129,497.17

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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.