Home / 197,186.40-295,779.60-70,826.40

Finding the Fourth Proportional to 197,186.40, 295,779.60 and 70,826.40

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Solution

The fourth proportional to 197,186.40, 295,779.60 and 70,826.40 is: 106,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,186.40 : 295,779.60 = 70,826.40 : x
  2. Step 2: Convert to fraction form
    197,186.40/295,779.60 = 70,826.40/x
  3. Step 3: Cross multiply
    197,186.40x = 295,779.60 × 70,826.40
  4. Step 4: Simplify right side
    197,186.40x = 20,949,004,261.44
  5. Step 5: Solve for x
    x = 20,949,004,261.44/197,186.40
  6. Step 6: Final answer
    x = 106,239.60

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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.