Home / 212,427.10-318,567.21-94,181.14

Finding the Fourth Proportional to 212,427.10, 318,567.21 and 94,181.14

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Solution

The fourth proportional to 212,427.10, 318,567.21 and 94,181.14 is: 141,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,427.10 : 318,567.21 = 94,181.14 : x
  2. Step 2: Convert to fraction form
    212,427.10/318,567.21 = 94,181.14/x
  3. Step 3: Cross multiply
    212,427.10x = 318,567.21 × 94,181.14
  4. Step 4: Simplify right side
    212,427.10x = 30,003,023,004.42
  5. Step 5: Solve for x
    x = 30,003,023,004.42/212,427.10
  6. Step 6: Final answer
    x = 141,239.15

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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.