Home / 120,312.64-166,026.06-66,593.86

Finding the Fourth Proportional to 120,312.64, 166,026.06 and 66,593.86

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Solution

The fourth proportional to 120,312.64, 166,026.06 and 66,593.86 is: 91,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,312.64 : 166,026.06 = 66,593.86 : x
  2. Step 2: Convert to fraction form
    120,312.64/166,026.06 = 66,593.86/x
  3. Step 3: Cross multiply
    120,312.64x = 166,026.06 × 66,593.86
  4. Step 4: Simplify right side
    120,312.64x = 11,056,316,195.99
  5. Step 5: Solve for x
    x = 11,056,316,195.99/120,312.64
  6. Step 6: Final answer
    x = 91,896.55

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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.