Home / 217,582.56-325,739.91-161,670.51

Finding the Fourth Proportional to 217,582.56, 325,739.91 and 161,670.51

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Solution

The fourth proportional to 217,582.56, 325,739.91 and 161,670.51 is: 242,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,582.56 : 325,739.91 = 161,670.51 : x
  2. Step 2: Convert to fraction form
    217,582.56/325,739.91 = 161,670.51/x
  3. Step 3: Cross multiply
    217,582.56x = 325,739.91 × 161,670.51
  4. Step 4: Simplify right side
    217,582.56x = 52,662,537,377.05
  5. Step 5: Solve for x
    x = 52,662,537,377.05/217,582.56
  6. Step 6: Final answer
    x = 242,034.74

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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.