Home / 212,202.84-318,236.73-70,021.60

Finding the Fourth Proportional to 212,202.84, 318,236.73 and 70,021.60

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Solution

The fourth proportional to 212,202.84, 318,236.73 and 70,021.60 is: 105,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,202.84 : 318,236.73 = 70,021.60 : x
  2. Step 2: Convert to fraction form
    212,202.84/318,236.73 = 70,021.60/x
  3. Step 3: Cross multiply
    212,202.84x = 318,236.73 × 70,021.60
  4. Step 4: Simplify right side
    212,202.84x = 22,283,445,013.37
  5. Step 5: Solve for x
    x = 22,283,445,013.37/212,202.84
  6. Step 6: Final answer
    x = 105,010.12

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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.