Home / 135,985.44-204,018.72-64,961.28

Finding the Fourth Proportional to 135,985.44, 204,018.72 and 64,961.28

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Solution

The fourth proportional to 135,985.44, 204,018.72 and 64,961.28 is: 97,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,985.44 : 204,018.72 = 64,961.28 : x
  2. Step 2: Convert to fraction form
    135,985.44/204,018.72 = 64,961.28/x
  3. Step 3: Cross multiply
    135,985.44x = 204,018.72 × 64,961.28
  4. Step 4: Simplify right side
    135,985.44x = 13,253,317,195.16
  5. Step 5: Solve for x
    x = 13,253,317,195.16/135,985.44
  6. Step 6: Final answer
    x = 97,461.30

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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.