Home / 117,073.35-161,521.43-66,080.07

Finding the Fourth Proportional to 117,073.35, 161,521.43 and 66,080.07

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Solution

The fourth proportional to 117,073.35, 161,521.43 and 66,080.07 is: 91,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,073.35 : 161,521.43 = 66,080.07 : x
  2. Step 2: Convert to fraction form
    117,073.35/161,521.43 = 66,080.07/x
  3. Step 3: Cross multiply
    117,073.35x = 161,521.43 × 66,080.07
  4. Step 4: Simplify right side
    117,073.35x = 10,673,347,070.50
  5. Step 5: Solve for x
    x = 10,673,347,070.50/117,073.35
  6. Step 6: Final answer
    x = 91,168.03

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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.