Home / 168,129.40-252,018.93-73,334.13

Finding the Fourth Proportional to 168,129.40, 252,018.93 and 73,334.13

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Solution

The fourth proportional to 168,129.40, 252,018.93 and 73,334.13 is: 109,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,129.40 : 252,018.93 = 73,334.13 : x
  2. Step 2: Convert to fraction form
    168,129.40/252,018.93 = 73,334.13/x
  3. Step 3: Cross multiply
    168,129.40x = 252,018.93 × 73,334.13
  4. Step 4: Simplify right side
    168,129.40x = 18,481,588,807.56
  5. Step 5: Solve for x
    x = 18,481,588,807.56/168,129.40
  6. Step 6: Final answer
    x = 109,924.79

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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.