Home / 112,230.40-168,345.60-111,452.80

Finding the Fourth Proportional to 112,230.40, 168,345.60 and 111,452.80

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Solution

The fourth proportional to 112,230.40, 168,345.60 and 111,452.80 is: 167,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,230.40 : 168,345.60 = 111,452.80 : x
  2. Step 2: Convert to fraction form
    112,230.40/168,345.60 = 111,452.80/x
  3. Step 3: Cross multiply
    112,230.40x = 168,345.60 × 111,452.80
  4. Step 4: Simplify right side
    112,230.40x = 18,762,588,487.68
  5. Step 5: Solve for x
    x = 18,762,588,487.68/112,230.40
  6. Step 6: Final answer
    x = 167,179.20

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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.