Home / 165,405.40-248,108.10-151,408.60

Finding the Fourth Proportional to 165,405.40, 248,108.10 and 151,408.60

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Solution

The fourth proportional to 165,405.40, 248,108.10 and 151,408.60 is: 227,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,405.40 : 248,108.10 = 151,408.60 : x
  2. Step 2: Convert to fraction form
    165,405.40/248,108.10 = 151,408.60/x
  3. Step 3: Cross multiply
    165,405.40x = 248,108.10 × 151,408.60
  4. Step 4: Simplify right side
    165,405.40x = 37,565,700,069.66
  5. Step 5: Solve for x
    x = 37,565,700,069.66/165,405.40
  6. Step 6: Final answer
    x = 227,112.90

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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.