Home / 238,649.22-329,327.06-131,212.86

Finding the Fourth Proportional to 238,649.22, 329,327.06 and 131,212.86

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Solution

The fourth proportional to 238,649.22, 329,327.06 and 131,212.86 is: 181,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,649.22 : 329,327.06 = 131,212.86 : x
  2. Step 2: Convert to fraction form
    238,649.22/329,327.06 = 131,212.86/x
  3. Step 3: Cross multiply
    238,649.22x = 329,327.06 × 131,212.86
  4. Step 4: Simplify right side
    238,649.22x = 43,211,945,417.99
  5. Step 5: Solve for x
    x = 43,211,945,417.99/238,649.22
  6. Step 6: Final answer
    x = 181,068.87

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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.