Home / 212,496.20-318,596.70-94,103

Finding the Fourth Proportional to 212,496.20, 318,596.70 and 94,103

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Solution

The fourth proportional to 212,496.20, 318,596.70 and 94,103 is: 141,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,496.20 : 318,596.70 = 94,103 : x
  2. Step 2: Convert to fraction form
    212,496.20/318,596.70 = 94,103/x
  3. Step 3: Cross multiply
    212,496.20x = 318,596.70 × 94,103
  4. Step 4: Simplify right side
    212,496.20x = 29,980,905,260.10
  5. Step 5: Solve for x
    x = 29,980,905,260.10/212,496.20
  6. Step 6: Final answer
    x = 141,089.14

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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.