Home / 139,379.02-192,341.99-75,717.27

Finding the Fourth Proportional to 139,379.02, 192,341.99 and 75,717.27

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Solution

The fourth proportional to 139,379.02, 192,341.99 and 75,717.27 is: 104,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,379.02 : 192,341.99 = 75,717.27 : x
  2. Step 2: Convert to fraction form
    139,379.02/192,341.99 = 75,717.27/x
  3. Step 3: Cross multiply
    139,379.02x = 192,341.99 × 75,717.27
  4. Step 4: Simplify right side
    139,379.02x = 14,563,610,578.46
  5. Step 5: Solve for x
    x = 14,563,610,578.46/139,379.02
  6. Step 6: Final answer
    x = 104,489.26

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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.