Home / 135,828.34-203,696.35-47,061.12

Finding the Fourth Proportional to 135,828.34, 203,696.35 and 47,061.12

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Solution

The fourth proportional to 135,828.34, 203,696.35 and 47,061.12 is: 70,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,828.34 : 203,696.35 = 47,061.12 : x
  2. Step 2: Convert to fraction form
    135,828.34/203,696.35 = 47,061.12/x
  3. Step 3: Cross multiply
    135,828.34x = 203,696.35 × 47,061.12
  4. Step 4: Simplify right side
    135,828.34x = 9,586,177,234.78
  5. Step 5: Solve for x
    x = 9,586,177,234.78/135,828.34
  6. Step 6: Final answer
    x = 70,575.68

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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.