Home / 140,821.99-194,342.13-80,412.04

Finding the Fourth Proportional to 140,821.99, 194,342.13 and 80,412.04

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Solution

The fourth proportional to 140,821.99, 194,342.13 and 80,412.04 is: 110,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,821.99 : 194,342.13 = 80,412.04 : x
  2. Step 2: Convert to fraction form
    140,821.99/194,342.13 = 80,412.04/x
  3. Step 3: Cross multiply
    140,821.99x = 194,342.13 × 80,412.04
  4. Step 4: Simplify right side
    140,821.99x = 15,627,447,374.17
  5. Step 5: Solve for x
    x = 15,627,447,374.17/140,821.99
  6. Step 6: Final answer
    x = 110,973.06

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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.