Home / 189,827.46-261,953.60-109,257.57

Finding the Fourth Proportional to 189,827.46, 261,953.60 and 109,257.57

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Solution

The fourth proportional to 189,827.46, 261,953.60 and 109,257.57 is: 150,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.46 : 261,953.60 = 109,257.57 : x
  2. Step 2: Convert to fraction form
    189,827.46/261,953.60 = 109,257.57/x
  3. Step 3: Cross multiply
    189,827.46x = 261,953.60 × 109,257.57
  4. Step 4: Simplify right side
    189,827.46x = 28,620,413,242.46
  5. Step 5: Solve for x
    x = 28,620,413,242.46/189,827.46
  6. Step 6: Final answer
    x = 150,770.67

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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.