Home / 139,231.35-192,139.26-75,569.16

Finding the Fourth Proportional to 139,231.35, 192,139.26 and 75,569.16

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Solution

The fourth proportional to 139,231.35, 192,139.26 and 75,569.16 is: 104,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,231.35 : 192,139.26 = 75,569.16 : x
  2. Step 2: Convert to fraction form
    139,231.35/192,139.26 = 75,569.16/x
  3. Step 3: Cross multiply
    139,231.35x = 192,139.26 × 75,569.16
  4. Step 4: Simplify right side
    139,231.35x = 14,519,802,481.22
  5. Step 5: Solve for x
    x = 14,519,802,481.22/139,231.35
  6. Step 6: Final answer
    x = 104,285.44

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1.5x scale

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.