Home / 168,761.58-252,681.24-121,423.98

Finding the Fourth Proportional to 168,761.58, 252,681.24 and 121,423.98

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Solution

The fourth proportional to 168,761.58, 252,681.24 and 121,423.98 is: 181,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,761.58 : 252,681.24 = 121,423.98 : x
  2. Step 2: Convert to fraction form
    168,761.58/252,681.24 = 121,423.98/x
  3. Step 3: Cross multiply
    168,761.58x = 252,681.24 × 121,423.98
  4. Step 4: Simplify right side
    168,761.58x = 30,681,561,832.14
  5. Step 5: Solve for x
    x = 30,681,561,832.14/168,761.58
  6. Step 6: Final answer
    x = 181,804.19

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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.