Home / 211,866.64-292,381.04-115,074.07

Finding the Fourth Proportional to 211,866.64, 292,381.04 and 115,074.07

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Solution

The fourth proportional to 211,866.64, 292,381.04 and 115,074.07 is: 158,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,866.64 : 292,381.04 = 115,074.07 : x
  2. Step 2: Convert to fraction form
    211,866.64/292,381.04 = 115,074.07/x
  3. Step 3: Cross multiply
    211,866.64x = 292,381.04 × 115,074.07
  4. Step 4: Simplify right side
    211,866.64x = 33,645,475,820.37
  5. Step 5: Solve for x
    x = 33,645,475,820.37/211,866.64
  6. Step 6: Final answer
    x = 158,804.97

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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.