Home / 307,620.60-461,430.90-108,166.20

Finding the Fourth Proportional to 307,620.60, 461,430.90 and 108,166.20

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Solution

The fourth proportional to 307,620.60, 461,430.90 and 108,166.20 is: 162,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,620.60 : 461,430.90 = 108,166.20 : x
  2. Step 2: Convert to fraction form
    307,620.60/461,430.90 = 108,166.20/x
  3. Step 3: Cross multiply
    307,620.60x = 461,430.90 × 108,166.20
  4. Step 4: Simplify right side
    307,620.60x = 49,911,227,015.58
  5. Step 5: Solve for x
    x = 49,911,227,015.58/307,620.60
  6. Step 6: Final answer
    x = 162,249.30

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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.