Home / 211,868.64-292,383.81-115,076.07

Finding the Fourth Proportional to 211,868.64, 292,383.81 and 115,076.07

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Solution

The fourth proportional to 211,868.64, 292,383.81 and 115,076.07 is: 158,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,868.64 : 292,383.81 = 115,076.07 : x
  2. Step 2: Convert to fraction form
    211,868.64/292,383.81 = 115,076.07/x
  3. Step 3: Cross multiply
    211,868.64x = 292,383.81 × 115,076.07
  4. Step 4: Simplify right side
    211,868.64x = 33,646,379,786.43
  5. Step 5: Solve for x
    x = 33,646,379,786.43/211,868.64
  6. Step 6: Final answer
    x = 158,807.74

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1.5x scale

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.