Home / 212,418.57-293,035.14-131,939.67

Finding the Fourth Proportional to 212,418.57, 293,035.14 and 131,939.67

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Solution

The fourth proportional to 212,418.57, 293,035.14 and 131,939.67 is: 182,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,418.57 : 293,035.14 = 131,939.67 : x
  2. Step 2: Convert to fraction form
    212,418.57/293,035.14 = 131,939.67/x
  3. Step 3: Cross multiply
    212,418.57x = 293,035.14 × 131,939.67
  4. Step 4: Simplify right side
    212,418.57x = 38,662,959,670.00
  5. Step 5: Solve for x
    x = 38,662,959,670.00/212,418.57
  6. Step 6: Final answer
    x = 182,013.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.