Home / 120,897.09-166,832.93-67,181.63

Finding the Fourth Proportional to 120,897.09, 166,832.93 and 67,181.63

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Solution

The fourth proportional to 120,897.09, 166,832.93 and 67,181.63 is: 92,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,897.09 : 166,832.93 = 67,181.63 : x
  2. Step 2: Convert to fraction form
    120,897.09/166,832.93 = 67,181.63/x
  3. Step 3: Cross multiply
    120,897.09x = 166,832.93 × 67,181.63
  4. Step 4: Simplify right side
    120,897.09x = 11,208,107,508.87
  5. Step 5: Solve for x
    x = 11,208,107,508.87/120,897.09
  6. Step 6: Final answer
    x = 92,707.84

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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.