Home / 211,659.76-292,069.20-126,774.64

Finding the Fourth Proportional to 211,659.76, 292,069.20 and 126,774.64

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Solution

The fourth proportional to 211,659.76, 292,069.20 and 126,774.64 is: 174,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,659.76 : 292,069.20 = 126,774.64 : x
  2. Step 2: Convert to fraction form
    211,659.76/292,069.20 = 126,774.64/x
  3. Step 3: Cross multiply
    211,659.76x = 292,069.20 × 126,774.64
  4. Step 4: Simplify right side
    211,659.76x = 37,026,967,685.09
  5. Step 5: Solve for x
    x = 37,026,967,685.09/211,659.76
  6. Step 6: Final answer
    x = 174,936.26

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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.