Home / 211,867.64-292,382.43-115,075.07

Finding the Fourth Proportional to 211,867.64, 292,382.43 and 115,075.07

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Solution

The fourth proportional to 211,867.64, 292,382.43 and 115,075.07 is: 158,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,867.64 : 292,382.43 = 115,075.07 : x
  2. Step 2: Convert to fraction form
    211,867.64/292,382.43 = 115,075.07/x
  3. Step 3: Cross multiply
    211,867.64x = 292,382.43 × 115,075.07
  4. Step 4: Simplify right side
    211,867.64x = 33,645,928,023.64
  5. Step 5: Solve for x
    x = 33,645,928,023.64/211,867.64
  6. Step 6: Final answer
    x = 158,806.36

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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.