Home / 139,148.37-192,025.23-75,486.62

Finding the Fourth Proportional to 139,148.37, 192,025.23 and 75,486.62

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Solution

The fourth proportional to 139,148.37, 192,025.23 and 75,486.62 is: 104,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,148.37 : 192,025.23 = 75,486.62 : x
  2. Step 2: Convert to fraction form
    139,148.37/192,025.23 = 75,486.62/x
  3. Step 3: Cross multiply
    139,148.37x = 192,025.23 × 75,486.62
  4. Step 4: Simplify right side
    139,148.37x = 14,495,335,567.42
  5. Step 5: Solve for x
    x = 14,495,335,567.42/139,148.37
  6. Step 6: Final answer
    x = 104,171.80

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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.