Home / 135,975.85-203,893.74-61,031.75

Finding the Fourth Proportional to 135,975.85, 203,893.74 and 61,031.75

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Solution

The fourth proportional to 135,975.85, 203,893.74 and 61,031.75 is: 91,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,975.85 : 203,893.74 = 61,031.75 : x
  2. Step 2: Convert to fraction form
    135,975.85/203,893.74 = 61,031.75/x
  3. Step 3: Cross multiply
    135,975.85x = 203,893.74 × 61,031.75
  4. Step 4: Simplify right side
    135,975.85x = 12,443,990,746.78
  5. Step 5: Solve for x
    x = 12,443,990,746.78/135,975.85
  6. Step 6: Final answer
    x = 91,516.18

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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.