Home / 135,584.65-203,387.37-45,627.81

Finding the Fourth Proportional to 135,584.65, 203,387.37 and 45,627.81

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Solution

The fourth proportional to 135,584.65, 203,387.37 and 45,627.81 is: 68,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,584.65 : 203,387.37 = 45,627.81 : x
  2. Step 2: Convert to fraction form
    135,584.65/203,387.37 = 45,627.81/x
  3. Step 3: Cross multiply
    135,584.65x = 203,387.37 × 45,627.81
  4. Step 4: Simplify right side
    135,584.65x = 9,280,119,257.82
  5. Step 5: Solve for x
    x = 9,280,119,257.82/135,584.65
  6. Step 6: Final answer
    x = 68,445.21

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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.