Home / 126,414.60-189,600.03-47,529.51

Finding the Fourth Proportional to 126,414.60, 189,600.03 and 47,529.51

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Solution

The fourth proportional to 126,414.60, 189,600.03 and 47,529.51 is: 71,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,414.60 : 189,600.03 = 47,529.51 : x
  2. Step 2: Convert to fraction form
    126,414.60/189,600.03 = 47,529.51/x
  3. Step 3: Cross multiply
    126,414.60x = 189,600.03 × 47,529.51
  4. Step 4: Simplify right side
    126,414.60x = 9,011,596,521.89
  5. Step 5: Solve for x
    x = 9,011,596,521.89/126,414.60
  6. Step 6: Final answer
    x = 71,286.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.