Home / 120,459.54-166,231.98-66,744.36

Finding the Fourth Proportional to 120,459.54, 166,231.98 and 66,744.36

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Solution

The fourth proportional to 120,459.54, 166,231.98 and 66,744.36 is: 92,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,459.54 : 166,231.98 = 66,744.36 : x
  2. Step 2: Convert to fraction form
    120,459.54/166,231.98 = 66,744.36/x
  3. Step 3: Cross multiply
    120,459.54x = 166,231.98 × 66,744.36
  4. Step 4: Simplify right side
    120,459.54x = 11,095,047,116.63
  5. Step 5: Solve for x
    x = 11,095,047,116.63/120,459.54
  6. Step 6: Final answer
    x = 92,106.01

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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.