Home / 119,939.63-165,531.27-69,638.63

Finding the Fourth Proportional to 119,939.63, 165,531.27 and 69,638.63

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Solution

The fourth proportional to 119,939.63, 165,531.27 and 69,638.63 is: 96,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,939.63 : 165,531.27 = 69,638.63 : x
  2. Step 2: Convert to fraction form
    119,939.63/165,531.27 = 69,638.63/x
  3. Step 3: Cross multiply
    119,939.63x = 165,531.27 × 69,638.63
  4. Step 4: Simplify right side
    119,939.63x = 11,527,370,037.30
  5. Step 5: Solve for x
    x = 11,527,370,037.30/119,939.63
  6. Step 6: Final answer
    x = 96,109.77

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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.