Home / 135,888.55-203,913.03-51,719.59

Finding the Fourth Proportional to 135,888.55, 203,913.03 and 51,719.59

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Solution

The fourth proportional to 135,888.55, 203,913.03 and 51,719.59 is: 77,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,888.55 : 203,913.03 = 51,719.59 : x
  2. Step 2: Convert to fraction form
    135,888.55/203,913.03 = 51,719.59/x
  3. Step 3: Cross multiply
    135,888.55x = 203,913.03 × 51,719.59
  4. Step 4: Simplify right side
    135,888.55x = 10,546,298,307.26
  5. Step 5: Solve for x
    x = 10,546,298,307.26/135,888.55
  6. Step 6: Final answer
    x = 77,609.91

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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.