Home / 139,362.24-192,417.12-107,042.88

Finding the Fourth Proportional to 139,362.24, 192,417.12 and 107,042.88

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Solution

The fourth proportional to 139,362.24, 192,417.12 and 107,042.88 is: 147,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,362.24 : 192,417.12 = 107,042.88 : x
  2. Step 2: Convert to fraction form
    139,362.24/192,417.12 = 107,042.88/x
  3. Step 3: Cross multiply
    139,362.24x = 192,417.12 × 107,042.88
  4. Step 4: Simplify right side
    139,362.24x = 20,596,882,686.11
  5. Step 5: Solve for x
    x = 20,596,882,686.11/139,362.24
  6. Step 6: Final answer
    x = 147,793.85

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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.