Home / 135,262.53-186,628.73-87,458.36

Finding the Fourth Proportional to 135,262.53, 186,628.73 and 87,458.36

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Solution

The fourth proportional to 135,262.53, 186,628.73 and 87,458.36 is: 120,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,262.53 : 186,628.73 = 87,458.36 : x
  2. Step 2: Convert to fraction form
    135,262.53/186,628.73 = 87,458.36/x
  3. Step 3: Cross multiply
    135,262.53x = 186,628.73 × 87,458.36
  4. Step 4: Simplify right side
    135,262.53x = 16,322,241,284.25
  5. Step 5: Solve for x
    x = 16,322,241,284.25/135,262.53
  6. Step 6: Final answer
    x = 120,670.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.