Home / 140,802.09-194,308.03-80,372.04

Finding the Fourth Proportional to 140,802.09, 194,308.03 and 80,372.04

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Solution

The fourth proportional to 140,802.09, 194,308.03 and 80,372.04 is: 110,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,802.09 : 194,308.03 = 80,372.04 : x
  2. Step 2: Convert to fraction form
    140,802.09/194,308.03 = 80,372.04/x
  3. Step 3: Cross multiply
    140,802.09x = 194,308.03 × 80,372.04
  4. Step 4: Simplify right side
    140,802.09x = 15,616,932,759.48
  5. Step 5: Solve for x
    x = 15,616,932,759.48/140,802.09
  6. Step 6: Final answer
    x = 110,914.07

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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.