Home / 139,495.45-192,504.96-75,833.35

Finding the Fourth Proportional to 139,495.45, 192,504.96 and 75,833.35

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Solution

The fourth proportional to 139,495.45, 192,504.96 and 75,833.35 is: 104,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,495.45 : 192,504.96 = 75,833.35 : x
  2. Step 2: Convert to fraction form
    139,495.45/192,504.96 = 75,833.35/x
  3. Step 3: Cross multiply
    139,495.45x = 192,504.96 × 75,833.35
  4. Step 4: Simplify right side
    139,495.45x = 14,598,296,008.42
  5. Step 5: Solve for x
    x = 14,598,296,008.42/139,495.45
  6. Step 6: Final answer
    x = 104,650.70

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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.