Home / 139,208.07-192,107.26-75,545.87

Finding the Fourth Proportional to 139,208.07, 192,107.26 and 75,545.87

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Solution

The fourth proportional to 139,208.07, 192,107.26 and 75,545.87 is: 104,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,208.07 : 192,107.26 = 75,545.87 : x
  2. Step 2: Convert to fraction form
    139,208.07/192,107.26 = 75,545.87/x
  3. Step 3: Cross multiply
    139,208.07x = 192,107.26 × 75,545.87
  4. Step 4: Simplify right side
    139,208.07x = 14,512,909,223.91
  5. Step 5: Solve for x
    x = 14,512,909,223.91/139,208.07
  6. Step 6: Final answer
    x = 104,253.36

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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.