Home / 211,839.85-292,216.98-126,907.72

Finding the Fourth Proportional to 211,839.85, 292,216.98 and 126,907.72

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Solution

The fourth proportional to 211,839.85, 292,216.98 and 126,907.72 is: 175,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,839.85 : 292,216.98 = 126,907.72 : x
  2. Step 2: Convert to fraction form
    211,839.85/292,216.98 = 126,907.72/x
  3. Step 3: Cross multiply
    211,839.85x = 292,216.98 × 126,907.72
  4. Step 4: Simplify right side
    211,839.85x = 37,084,590,677.09
  5. Step 5: Solve for x
    x = 37,084,590,677.09/211,839.85
  6. Step 6: Final answer
    x = 175,059.56

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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.