Home / 119,988.38-165,579.48-66,272.24

Finding the Fourth Proportional to 119,988.38, 165,579.48 and 66,272.24

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Solution

The fourth proportional to 119,988.38, 165,579.48 and 66,272.24 is: 91,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,988.38 : 165,579.48 = 66,272.24 : x
  2. Step 2: Convert to fraction form
    119,988.38/165,579.48 = 66,272.24/x
  3. Step 3: Cross multiply
    119,988.38x = 165,579.48 × 66,272.24
  4. Step 4: Simplify right side
    119,988.38x = 10,973,323,037.64
  5. Step 5: Solve for x
    x = 10,973,323,037.64/119,988.38
  6. Step 6: Final answer
    x = 91,453.21

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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.