Home / 212,579.94-318,850.47-64,835.94

Finding the Fourth Proportional to 212,579.94, 318,850.47 and 64,835.94

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Solution

The fourth proportional to 212,579.94, 318,850.47 and 64,835.94 is: 97,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,579.94 : 318,850.47 = 64,835.94 : x
  2. Step 2: Convert to fraction form
    212,579.94/318,850.47 = 64,835.94/x
  3. Step 3: Cross multiply
    212,579.94x = 318,850.47 × 64,835.94
  4. Step 4: Simplify right side
    212,579.94x = 20,672,969,941.89
  5. Step 5: Solve for x
    x = 20,672,969,941.89/212,579.94
  6. Step 6: Final answer
    x = 97,247.98

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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.