Home / 212,984.55-293,908.78-122,276.67

Finding the Fourth Proportional to 212,984.55, 293,908.78 and 122,276.67

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Solution

The fourth proportional to 212,984.55, 293,908.78 and 122,276.67 is: 168,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,984.55 : 293,908.78 = 122,276.67 : x
  2. Step 2: Convert to fraction form
    212,984.55/293,908.78 = 122,276.67/x
  3. Step 3: Cross multiply
    212,984.55x = 293,908.78 × 122,276.67
  4. Step 4: Simplify right side
    212,984.55x = 35,938,186,902.16
  5. Step 5: Solve for x
    x = 35,938,186,902.16/212,984.55
  6. Step 6: Final answer
    x = 168,736.12

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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.