Home / 119,895.48-165,448.68-66,179.16

Finding the Fourth Proportional to 119,895.48, 165,448.68 and 66,179.16

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Solution

The fourth proportional to 119,895.48, 165,448.68 and 66,179.16 is: 91,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,895.48 : 165,448.68 = 66,179.16 : x
  2. Step 2: Convert to fraction form
    119,895.48/165,448.68 = 66,179.16/x
  3. Step 3: Cross multiply
    119,895.48x = 165,448.68 × 66,179.16
  4. Step 4: Simplify right side
    119,895.48x = 10,949,254,665.51
  5. Step 5: Solve for x
    x = 10,949,254,665.51/119,895.48
  6. Step 6: Final answer
    x = 91,323.33

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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.