Home / 168,291.39-252,450.98-121,126

Finding the Fourth Proportional to 168,291.39, 252,450.98 and 121,126

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Solution

The fourth proportional to 168,291.39, 252,450.98 and 121,126 is: 181,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,291.39 : 252,450.98 = 121,126 : x
  2. Step 2: Convert to fraction form
    168,291.39/252,450.98 = 121,126/x
  3. Step 3: Cross multiply
    168,291.39x = 252,450.98 × 121,126
  4. Step 4: Simplify right side
    168,291.39x = 30,578,377,403.48
  5. Step 5: Solve for x
    x = 30,578,377,403.48/168,291.39
  6. Step 6: Final answer
    x = 181,699.00

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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.