Home / 212,879.08-293,760.30-122,215.24

Finding the Fourth Proportional to 212,879.08, 293,760.30 and 122,215.24

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Solution

The fourth proportional to 212,879.08, 293,760.30 and 122,215.24 is: 168,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,879.08 : 293,760.30 = 122,215.24 : x
  2. Step 2: Convert to fraction form
    212,879.08/293,760.30 = 122,215.24/x
  3. Step 3: Cross multiply
    212,879.08x = 293,760.30 × 122,215.24
  4. Step 4: Simplify right side
    212,879.08x = 35,901,985,566.97
  5. Step 5: Solve for x
    x = 35,901,985,566.97/212,879.08
  6. Step 6: Final answer
    x = 168,649.67

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1.5x scale

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.