Home / 168,218.07-252,119.32-144,357.90

Finding the Fourth Proportional to 168,218.07, 252,119.32 and 144,357.90

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Solution

The fourth proportional to 168,218.07, 252,119.32 and 144,357.90 is: 216,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,218.07 : 252,119.32 = 144,357.90 : x
  2. Step 2: Convert to fraction form
    168,218.07/252,119.32 = 144,357.90/x
  3. Step 3: Cross multiply
    168,218.07x = 252,119.32 × 144,357.90
  4. Step 4: Simplify right side
    168,218.07x = 36,395,415,090.30
  5. Step 5: Solve for x
    x = 36,395,415,090.30/168,218.07
  6. Step 6: Final answer
    x = 216,358.54

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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.