Home / 213,869.02-295,133.37-121,986.22

Finding the Fourth Proportional to 213,869.02, 295,133.37 and 121,986.22

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Solution

The fourth proportional to 213,869.02, 295,133.37 and 121,986.22 is: 168,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,869.02 : 295,133.37 = 121,986.22 : x
  2. Step 2: Convert to fraction form
    213,869.02/295,133.37 = 121,986.22/x
  3. Step 3: Cross multiply
    213,869.02x = 295,133.37 × 121,986.22
  4. Step 4: Simplify right side
    213,869.02x = 36,002,204,202.16
  5. Step 5: Solve for x
    x = 36,002,204,202.16/213,869.02
  6. Step 6: Final answer
    x = 168,337.63

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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.