Home / 162,453.24-223,965-113,989.32

Finding the Fourth Proportional to 162,453.24, 223,965 and 113,989.32

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Solution

The fourth proportional to 162,453.24, 223,965 and 113,989.32 is: 157,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,453.24 : 223,965 = 113,989.32 : x
  2. Step 2: Convert to fraction form
    162,453.24/223,965 = 113,989.32/x
  3. Step 3: Cross multiply
    162,453.24x = 223,965 × 113,989.32
  4. Step 4: Simplify right side
    162,453.24x = 25,529,618,053.80
  5. Step 5: Solve for x
    x = 25,529,618,053.80/162,453.24
  6. Step 6: Final answer
    x = 157,150.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.