Home / 119,809.13-165,336.13-66,097.49

Finding the Fourth Proportional to 119,809.13, 165,336.13 and 66,097.49

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Solution

The fourth proportional to 119,809.13, 165,336.13 and 66,097.49 is: 91,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,809.13 : 165,336.13 = 66,097.49 : x
  2. Step 2: Convert to fraction form
    119,809.13/165,336.13 = 66,097.49/x
  3. Step 3: Cross multiply
    119,809.13x = 165,336.13 × 66,097.49
  4. Step 4: Simplify right side
    119,809.13x = 10,928,303,199.31
  5. Step 5: Solve for x
    x = 10,928,303,199.31/119,809.13
  6. Step 6: Final answer
    x = 91,214.28

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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.