Home / 168,218.63-252,120.16-144,358.46

Finding the Fourth Proportional to 168,218.63, 252,120.16 and 144,358.46

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Solution

The fourth proportional to 168,218.63, 252,120.16 and 144,358.46 is: 216,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,218.63 : 252,120.16 = 144,358.46 : x
  2. Step 2: Convert to fraction form
    168,218.63/252,120.16 = 144,358.46/x
  3. Step 3: Cross multiply
    168,218.63x = 252,120.16 × 144,358.46
  4. Step 4: Simplify right side
    168,218.63x = 36,395,677,897.85
  5. Step 5: Solve for x
    x = 36,395,677,897.85/168,218.63
  6. Step 6: Final answer
    x = 216,359.38

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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.