Home / 212,719.44-319,059.72-64,975.44

Finding the Fourth Proportional to 212,719.44, 319,059.72 and 64,975.44

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Solution

The fourth proportional to 212,719.44, 319,059.72 and 64,975.44 is: 97,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,719.44 : 319,059.72 = 64,975.44 : x
  2. Step 2: Convert to fraction form
    212,719.44/319,059.72 = 64,975.44/x
  3. Step 3: Cross multiply
    212,719.44x = 319,059.72 × 64,975.44
  4. Step 4: Simplify right side
    212,719.44x = 20,731,045,693.28
  5. Step 5: Solve for x
    x = 20,731,045,693.28/212,719.44
  6. Step 6: Final answer
    x = 97,457.22

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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.