Home / 112,226.40-168,339.60-29,120.40

Finding the Fourth Proportional to 112,226.40, 168,339.60 and 29,120.40

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Solution

The fourth proportional to 112,226.40, 168,339.60 and 29,120.40 is: 43,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,226.40 : 168,339.60 = 29,120.40 : x
  2. Step 2: Convert to fraction form
    112,226.40/168,339.60 = 29,120.40/x
  3. Step 3: Cross multiply
    112,226.40x = 168,339.60 × 29,120.40
  4. Step 4: Simplify right side
    112,226.40x = 4,902,116,487.84
  5. Step 5: Solve for x
    x = 4,902,116,487.84/112,226.40
  6. Step 6: Final answer
    x = 43,680.60

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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.