Home / 135,890.64-203,845.92-36,048.60

Finding the Fourth Proportional to 135,890.64, 203,845.92 and 36,048.60

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Solution

The fourth proportional to 135,890.64, 203,845.92 and 36,048.60 is: 54,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,890.64 : 203,845.92 = 36,048.60 : x
  2. Step 2: Convert to fraction form
    135,890.64/203,845.92 = 36,048.60/x
  3. Step 3: Cross multiply
    135,890.64x = 203,845.92 × 36,048.60
  4. Step 4: Simplify right side
    135,890.64x = 7,348,360,031.71
  5. Step 5: Solve for x
    x = 7,348,360,031.71/135,890.64
  6. Step 6: Final answer
    x = 54,075.54

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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.