Home / 120,312.42-166,029.14-66,596.29

Finding the Fourth Proportional to 120,312.42, 166,029.14 and 66,596.29

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Solution

The fourth proportional to 120,312.42, 166,029.14 and 66,596.29 is: 91,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,312.42 : 166,029.14 = 66,596.29 : x
  2. Step 2: Convert to fraction form
    120,312.42/166,029.14 = 66,596.29/x
  3. Step 3: Cross multiply
    120,312.42x = 166,029.14 × 66,596.29
  4. Step 4: Simplify right side
    120,312.42x = 11,056,924,007.84
  5. Step 5: Solve for x
    x = 11,056,924,007.84/120,312.42
  6. Step 6: Final answer
    x = 91,901.76

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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.