Home / 207,324.48-286,196.06-139,380.86

Finding the Fourth Proportional to 207,324.48, 286,196.06 and 139,380.86

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Solution

The fourth proportional to 207,324.48, 286,196.06 and 139,380.86 is: 192,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,324.48 : 286,196.06 = 139,380.86 : x
  2. Step 2: Convert to fraction form
    207,324.48/286,196.06 = 139,380.86/x
  3. Step 3: Cross multiply
    207,324.48x = 286,196.06 × 139,380.86
  4. Step 4: Simplify right side
    207,324.48x = 39,890,252,971.41
  5. Step 5: Solve for x
    x = 39,890,252,971.41/207,324.48
  6. Step 6: Final answer
    x = 192,404.93

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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.