Home / 165,613.60-248,420.40-40,954.60

Finding the Fourth Proportional to 165,613.60, 248,420.40 and 40,954.60

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Solution

The fourth proportional to 165,613.60, 248,420.40 and 40,954.60 is: 61,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,613.60 : 248,420.40 = 40,954.60 : x
  2. Step 2: Convert to fraction form
    165,613.60/248,420.40 = 40,954.60/x
  3. Step 3: Cross multiply
    165,613.60x = 248,420.40 × 40,954.60
  4. Step 4: Simplify right side
    165,613.60x = 10,173,958,113.84
  5. Step 5: Solve for x
    x = 10,173,958,113.84/165,613.60
  6. Step 6: Final answer
    x = 61,431.90

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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.