Home / 213,466.86-320,255.64-113,544.81

Finding the Fourth Proportional to 213,466.86, 320,255.64 and 113,544.81

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Solution

The fourth proportional to 213,466.86, 320,255.64 and 113,544.81 is: 170,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,466.86 : 320,255.64 = 113,544.81 : x
  2. Step 2: Convert to fraction form
    213,466.86/320,255.64 = 113,544.81/x
  3. Step 3: Cross multiply
    213,466.86x = 320,255.64 × 113,544.81
  4. Step 4: Simplify right side
    213,466.86x = 36,363,365,795.23
  5. Step 5: Solve for x
    x = 36,363,365,795.23/213,466.86
  6. Step 6: Final answer
    x = 170,346.66

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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.