Home / 213,997.78-295,316.67-118,504.36

Finding the Fourth Proportional to 213,997.78, 295,316.67 and 118,504.36

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Solution

The fourth proportional to 213,997.78, 295,316.67 and 118,504.36 is: 163,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,997.78 : 295,316.67 = 118,504.36 : x
  2. Step 2: Convert to fraction form
    213,997.78/295,316.67 = 118,504.36/x
  3. Step 3: Cross multiply
    213,997.78x = 295,316.67 × 118,504.36
  4. Step 4: Simplify right side
    213,997.78x = 34,996,312,975.68
  5. Step 5: Solve for x
    x = 34,996,312,975.68/213,997.78
  6. Step 6: Final answer
    x = 163,535.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.