Home / 139,582.90-192,614.92-75,919.33

Finding the Fourth Proportional to 139,582.90, 192,614.92 and 75,919.33

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Solution

The fourth proportional to 139,582.90, 192,614.92 and 75,919.33 is: 104,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,582.90 : 192,614.92 = 75,919.33 : x
  2. Step 2: Convert to fraction form
    139,582.90/192,614.92 = 75,919.33/x
  3. Step 3: Cross multiply
    139,582.90x = 192,614.92 × 75,919.33
  4. Step 4: Simplify right side
    139,582.90x = 14,623,195,674.40
  5. Step 5: Solve for x
    x = 14,623,195,674.40/139,582.90
  6. Step 6: Final answer
    x = 104,763.52

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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.