Home / 119,731.01-165,216.15-66,012.84

Finding the Fourth Proportional to 119,731.01, 165,216.15 and 66,012.84

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Solution

The fourth proportional to 119,731.01, 165,216.15 and 66,012.84 is: 91,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,731.01 : 165,216.15 = 66,012.84 : x
  2. Step 2: Convert to fraction form
    119,731.01/165,216.15 = 66,012.84/x
  3. Step 3: Cross multiply
    119,731.01x = 165,216.15 × 66,012.84
  4. Step 4: Simplify right side
    119,731.01x = 10,906,387,275.37
  5. Step 5: Solve for x
    x = 10,906,387,275.37/119,731.01
  6. Step 6: Final answer
    x = 91,090.75

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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.