Home / 119,716.93-165,208.44-66,004.21

Finding the Fourth Proportional to 119,716.93, 165,208.44 and 66,004.21

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Solution

The fourth proportional to 119,716.93, 165,208.44 and 66,004.21 is: 91,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,716.93 : 165,208.44 = 66,004.21 : x
  2. Step 2: Convert to fraction form
    119,716.93/165,208.44 = 66,004.21/x
  3. Step 3: Cross multiply
    119,716.93x = 165,208.44 × 66,004.21
  4. Step 4: Simplify right side
    119,716.93x = 10,904,452,567.53
  5. Step 5: Solve for x
    x = 10,904,452,567.53/119,716.93
  6. Step 6: Final answer
    x = 91,085.30

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1.5x scale

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.