Home / 139,495.35-192,501.31-75,834.75

Finding the Fourth Proportional to 139,495.35, 192,501.31 and 75,834.75

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Solution

The fourth proportional to 139,495.35, 192,501.31 and 75,834.75 is: 104,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,495.35 : 192,501.31 = 75,834.75 : x
  2. Step 2: Convert to fraction form
    139,495.35/192,501.31 = 75,834.75/x
  3. Step 3: Cross multiply
    139,495.35x = 192,501.31 × 75,834.75
  4. Step 4: Simplify right side
    139,495.35x = 14,598,288,718.52
  5. Step 5: Solve for x
    x = 14,598,288,718.52/139,495.35
  6. Step 6: Final answer
    x = 104,650.72

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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.