Home / 165,683.10-248,278.89-121,692.06

Finding the Fourth Proportional to 165,683.10, 248,278.89 and 121,692.06

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Solution

The fourth proportional to 165,683.10, 248,278.89 and 121,692.06 is: 182,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,683.10 : 248,278.89 = 121,692.06 : x
  2. Step 2: Convert to fraction form
    165,683.10/248,278.89 = 121,692.06/x
  3. Step 3: Cross multiply
    165,683.10x = 248,278.89 × 121,692.06
  4. Step 4: Simplify right side
    165,683.10x = 30,213,569,578.61
  5. Step 5: Solve for x
    x = 30,213,569,578.61/165,683.10
  6. Step 6: Final answer
    x = 182,357.58

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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.