Home / 139,320.23-192,320.77-94,059.52

Finding the Fourth Proportional to 139,320.23, 192,320.77 and 94,059.52

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Solution

The fourth proportional to 139,320.23, 192,320.77 and 94,059.52 is: 129,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,320.23 : 192,320.77 = 94,059.52 : x
  2. Step 2: Convert to fraction form
    139,320.23/192,320.77 = 94,059.52/x
  3. Step 3: Cross multiply
    139,320.23x = 192,320.77 × 94,059.52
  4. Step 4: Simplify right side
    139,320.23x = 18,089,598,350.63
  5. Step 5: Solve for x
    x = 18,089,598,350.63/139,320.23
  6. Step 6: Final answer
    x = 129,841.87

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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.