Home / 135,555.96-203,199.48-64,353.45

Finding the Fourth Proportional to 135,555.96, 203,199.48 and 64,353.45

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Solution

The fourth proportional to 135,555.96, 203,199.48 and 64,353.45 is: 96,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,555.96 : 203,199.48 = 64,353.45 : x
  2. Step 2: Convert to fraction form
    135,555.96/203,199.48 = 64,353.45/x
  3. Step 3: Cross multiply
    135,555.96x = 203,199.48 × 64,353.45
  4. Step 4: Simplify right side
    135,555.96x = 13,076,587,576.21
  5. Step 5: Solve for x
    x = 13,076,587,576.21/135,555.96
  6. Step 6: Final answer
    x = 96,466.34

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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.