Home / 139,501.26-192,507.57-75,837.42

Finding the Fourth Proportional to 139,501.26, 192,507.57 and 75,837.42

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Solution

The fourth proportional to 139,501.26, 192,507.57 and 75,837.42 is: 104,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,501.26 : 192,507.57 = 75,837.42 : x
  2. Step 2: Convert to fraction form
    139,501.26/192,507.57 = 75,837.42/x
  3. Step 3: Cross multiply
    139,501.26x = 192,507.57 × 75,837.42
  4. Step 4: Simplify right side
    139,501.26x = 14,599,277,439.27
  5. Step 5: Solve for x
    x = 14,599,277,439.27/139,501.26
  6. Step 6: Final answer
    x = 104,653.37

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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.