Home / 141,666.74-212,432.34-82,519.28

Finding the Fourth Proportional to 141,666.74, 212,432.34 and 82,519.28

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Solution

The fourth proportional to 141,666.74, 212,432.34 and 82,519.28 is: 123,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,666.74 : 212,432.34 = 82,519.28 : x
  2. Step 2: Convert to fraction form
    141,666.74/212,432.34 = 82,519.28/x
  3. Step 3: Cross multiply
    141,666.74x = 212,432.34 × 82,519.28
  4. Step 4: Simplify right side
    141,666.74x = 17,529,763,745.52
  5. Step 5: Solve for x
    x = 17,529,763,745.52/141,666.74
  6. Step 6: Final answer
    x = 123,739.44

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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.