Home / 139,685.24-192,765.62-76,023.48

Finding the Fourth Proportional to 139,685.24, 192,765.62 and 76,023.48

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Solution

The fourth proportional to 139,685.24, 192,765.62 and 76,023.48 is: 104,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,685.24 : 192,765.62 = 76,023.48 : x
  2. Step 2: Convert to fraction form
    139,685.24/192,765.62 = 76,023.48/x
  3. Step 3: Cross multiply
    139,685.24x = 192,765.62 × 76,023.48
  4. Step 4: Simplify right side
    139,685.24x = 14,654,713,256.76
  5. Step 5: Solve for x
    x = 14,654,713,256.76/139,685.24
  6. Step 6: Final answer
    x = 104,912.40

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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.