Home / 126,414.20-189,586.74-47,522.36

Finding the Fourth Proportional to 126,414.20, 189,586.74 and 47,522.36

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Solution

The fourth proportional to 126,414.20, 189,586.74 and 47,522.36 is: 71,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,414.20 : 189,586.74 = 47,522.36 : x
  2. Step 2: Convert to fraction form
    126,414.20/189,586.74 = 47,522.36/x
  3. Step 3: Cross multiply
    126,414.20x = 189,586.74 × 47,522.36
  4. Step 4: Simplify right side
    126,414.20x = 9,009,609,309.51
  5. Step 5: Solve for x
    x = 9,009,609,309.51/126,414.20
  6. Step 6: Final answer
    x = 71,270.55

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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.