Home / 119,926.21-179,886.80-39,969.96

Finding the Fourth Proportional to 119,926.21, 179,886.80 and 39,969.96

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Solution

The fourth proportional to 119,926.21, 179,886.80 and 39,969.96 is: 59,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,926.21 : 179,886.80 = 39,969.96 : x
  2. Step 2: Convert to fraction form
    119,926.21/179,886.80 = 39,969.96/x
  3. Step 3: Cross multiply
    119,926.21x = 179,886.80 × 39,969.96
  4. Step 4: Simplify right side
    119,926.21x = 7,190,068,000.68
  5. Step 5: Solve for x
    x = 7,190,068,000.68/119,926.21
  6. Step 6: Final answer
    x = 59,954.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.