Home / 211,795.96-292,415.52-131,309.32

Finding the Fourth Proportional to 211,795.96, 292,415.52 and 131,309.32

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Solution

The fourth proportional to 211,795.96, 292,415.52 and 131,309.32 is: 181,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,795.96 : 292,415.52 = 131,309.32 : x
  2. Step 2: Convert to fraction form
    211,795.96/292,415.52 = 131,309.32/x
  3. Step 3: Cross multiply
    211,795.96x = 292,415.52 × 131,309.32
  4. Step 4: Simplify right side
    211,795.96x = 38,396,883,088.65
  5. Step 5: Solve for x
    x = 38,396,883,088.65/211,795.96
  6. Step 6: Final answer
    x = 181,291.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.