Home / 212,453.70-318,877.38-107,346.48

Finding the Fourth Proportional to 212,453.70, 318,877.38 and 107,346.48

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Solution

The fourth proportional to 212,453.70, 318,877.38 and 107,346.48 is: 161,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,453.70 : 318,877.38 = 107,346.48 : x
  2. Step 2: Convert to fraction form
    212,453.70/318,877.38 = 107,346.48/x
  3. Step 3: Cross multiply
    212,453.70x = 318,877.38 × 107,346.48
  4. Step 4: Simplify right side
    212,453.70x = 34,230,364,294.62
  5. Step 5: Solve for x
    x = 34,230,364,294.62/212,453.70
  6. Step 6: Final answer
    x = 161,119.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.