Home / 135,516.74-203,461.30-69,001.56

Finding the Fourth Proportional to 135,516.74, 203,461.30 and 69,001.56

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Solution

The fourth proportional to 135,516.74, 203,461.30 and 69,001.56 is: 103,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,516.74 : 203,461.30 = 69,001.56 : x
  2. Step 2: Convert to fraction form
    135,516.74/203,461.30 = 69,001.56/x
  3. Step 3: Cross multiply
    135,516.74x = 203,461.30 × 69,001.56
  4. Step 4: Simplify right side
    135,516.74x = 14,039,147,099.63
  5. Step 5: Solve for x
    x = 14,039,147,099.63/135,516.74
  6. Step 6: Final answer
    x = 103,597.15

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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.