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Finding the Fourth Proportional to 165,745.40, 248,618.10 and 119,089.40

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Solution

The fourth proportional to 165,745.40, 248,618.10 and 119,089.40 is: 178,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,745.40 : 248,618.10 = 119,089.40 : x
  2. Step 2: Convert to fraction form
    165,745.40/248,618.10 = 119,089.40/x
  3. Step 3: Cross multiply
    165,745.40x = 248,618.10 × 119,089.40
  4. Step 4: Simplify right side
    165,745.40x = 29,607,780,358.14
  5. Step 5: Solve for x
    x = 29,607,780,358.14/165,745.40
  6. Step 6: Final answer
    x = 178,634.10

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1.5x scale

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.