Home / 119,996.36-165,573.33-77,530.29

Finding the Fourth Proportional to 119,996.36, 165,573.33 and 77,530.29

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Solution

The fourth proportional to 119,996.36, 165,573.33 and 77,530.29 is: 106,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,996.36 : 165,573.33 = 77,530.29 : x
  2. Step 2: Convert to fraction form
    119,996.36/165,573.33 = 77,530.29/x
  3. Step 3: Cross multiply
    119,996.36x = 165,573.33 × 77,530.29
  4. Step 4: Simplify right side
    119,996.36x = 12,836,947,954.23
  5. Step 5: Solve for x
    x = 12,836,947,954.23/119,996.36
  6. Step 6: Final answer
    x = 106,977.81

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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.