Home / 207,324.92-286,196.66-139,381.30

Finding the Fourth Proportional to 207,324.92, 286,196.66 and 139,381.30

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Solution

The fourth proportional to 207,324.92, 286,196.66 and 139,381.30 is: 192,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,324.92 : 286,196.66 = 139,381.30 : x
  2. Step 2: Convert to fraction form
    207,324.92/286,196.66 = 139,381.30/x
  3. Step 3: Cross multiply
    207,324.92x = 286,196.66 × 139,381.30
  4. Step 4: Simplify right side
    207,324.92x = 39,890,462,709.98
  5. Step 5: Solve for x
    x = 39,890,462,709.98/207,324.92
  6. Step 6: Final answer
    x = 192,405.54

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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.