Home / 211,680.70-292,164.66-126,846.98

Finding the Fourth Proportional to 211,680.70, 292,164.66 and 126,846.98

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Solution

The fourth proportional to 211,680.70, 292,164.66 and 126,846.98 is: 175,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,680.70 : 292,164.66 = 126,846.98 : x
  2. Step 2: Convert to fraction form
    211,680.70/292,164.66 = 126,846.98/x
  3. Step 3: Cross multiply
    211,680.70x = 292,164.66 × 126,846.98
  4. Step 4: Simplify right side
    211,680.70x = 37,060,204,783.73
  5. Step 5: Solve for x
    x = 37,060,204,783.73/211,680.70
  6. Step 6: Final answer
    x = 175,075.97

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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.