Home / 168,012.20-252,018.30-164,075.60

Finding the Fourth Proportional to 168,012.20, 252,018.30 and 164,075.60

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Solution

The fourth proportional to 168,012.20, 252,018.30 and 164,075.60 is: 246,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,012.20 : 252,018.30 = 164,075.60 : x
  2. Step 2: Convert to fraction form
    168,012.20/252,018.30 = 164,075.60/x
  3. Step 3: Cross multiply
    168,012.20x = 252,018.30 × 164,075.60
  4. Step 4: Simplify right side
    168,012.20x = 41,350,053,783.48
  5. Step 5: Solve for x
    x = 41,350,053,783.48/168,012.20
  6. Step 6: Final answer
    x = 246,113.40

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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.