Home / 213,447.42-320,159.52-108,263.64

Finding the Fourth Proportional to 213,447.42, 320,159.52 and 108,263.64

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Solution

The fourth proportional to 213,447.42, 320,159.52 and 108,263.64 is: 162,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,447.42 : 320,159.52 = 108,263.64 : x
  2. Step 2: Convert to fraction form
    213,447.42/320,159.52 = 108,263.64/x
  3. Step 3: Cross multiply
    213,447.42x = 320,159.52 × 108,263.64
  4. Step 4: Simplify right side
    213,447.42x = 34,661,635,015.85
  5. Step 5: Solve for x
    x = 34,661,635,015.85/213,447.42
  6. Step 6: Final answer
    x = 162,389.57

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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.