Home / 119,985.09-165,611.49-69,003.42

Finding the Fourth Proportional to 119,985.09, 165,611.49 and 69,003.42

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Solution

The fourth proportional to 119,985.09, 165,611.49 and 69,003.42 is: 95,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,985.09 : 165,611.49 = 69,003.42 : x
  2. Step 2: Convert to fraction form
    119,985.09/165,611.49 = 69,003.42/x
  3. Step 3: Cross multiply
    119,985.09x = 165,611.49 × 69,003.42
  4. Step 4: Simplify right side
    119,985.09x = 11,427,759,201.30
  5. Step 5: Solve for x
    x = 11,427,759,201.30/119,985.09
  6. Step 6: Final answer
    x = 95,243.16

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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.