Home / 197,212.80-295,646.40-118,243.20

Finding the Fourth Proportional to 197,212.80, 295,646.40 and 118,243.20

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Solution

The fourth proportional to 197,212.80, 295,646.40 and 118,243.20 is: 177,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,212.80 : 295,646.40 = 118,243.20 : x
  2. Step 2: Convert to fraction form
    197,212.80/295,646.40 = 118,243.20/x
  3. Step 3: Cross multiply
    197,212.80x = 295,646.40 × 118,243.20
  4. Step 4: Simplify right side
    197,212.80x = 34,958,176,404.48
  5. Step 5: Solve for x
    x = 34,958,176,404.48/197,212.80
  6. Step 6: Final answer
    x = 177,261.19

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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.