Home / 189,682.46-261,758.67-104,807.42

Finding the Fourth Proportional to 189,682.46, 261,758.67 and 104,807.42

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Solution

The fourth proportional to 189,682.46, 261,758.67 and 104,807.42 is: 144,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,682.46 : 261,758.67 = 104,807.42 : x
  2. Step 2: Convert to fraction form
    189,682.46/261,758.67 = 104,807.42/x
  3. Step 3: Cross multiply
    189,682.46x = 261,758.67 × 104,807.42
  4. Step 4: Simplify right side
    189,682.46x = 27,434,249,556.54
  5. Step 5: Solve for x
    x = 27,434,249,556.54/189,682.46
  6. Step 6: Final answer
    x = 144,632.51

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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.