Home / 212,908.62-293,803.98-122,200.74

Finding the Fourth Proportional to 212,908.62, 293,803.98 and 122,200.74

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Solution

The fourth proportional to 212,908.62, 293,803.98 and 122,200.74 is: 168,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,908.62 : 293,803.98 = 122,200.74 : x
  2. Step 2: Convert to fraction form
    212,908.62/293,803.98 = 122,200.74/x
  3. Step 3: Cross multiply
    212,908.62x = 293,803.98 × 122,200.74
  4. Step 4: Simplify right side
    212,908.62x = 35,903,063,770.95
  5. Step 5: Solve for x
    x = 35,903,063,770.95/212,908.62
  6. Step 6: Final answer
    x = 168,631.33

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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.