Home / 112,216.40-168,416.40-111,341.60

Finding the Fourth Proportional to 112,216.40, 168,416.40 and 111,341.60

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Solution

The fourth proportional to 112,216.40, 168,416.40 and 111,341.60 is: 167,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,216.40 : 168,416.40 = 111,341.60 : x
  2. Step 2: Convert to fraction form
    112,216.40/168,416.40 = 111,341.60/x
  3. Step 3: Cross multiply
    112,216.40x = 168,416.40 × 111,341.60
  4. Step 4: Simplify right side
    112,216.40x = 18,751,751,442.24
  5. Step 5: Solve for x
    x = 18,751,751,442.24/112,216.40
  6. Step 6: Final answer
    x = 167,103.48

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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.