Home / 119,718.05-165,208.94-66,008.06

Finding the Fourth Proportional to 119,718.05, 165,208.94 and 66,008.06

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Solution

The fourth proportional to 119,718.05, 165,208.94 and 66,008.06 is: 91,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,718.05 : 165,208.94 = 66,008.06 : x
  2. Step 2: Convert to fraction form
    119,718.05/165,208.94 = 66,008.06/x
  3. Step 3: Cross multiply
    119,718.05x = 165,208.94 × 66,008.06
  4. Step 4: Simplify right side
    119,718.05x = 10,905,122,449.98
  5. Step 5: Solve for x
    x = 10,905,122,449.98/119,718.05
  6. Step 6: Final answer
    x = 91,090.04

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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.