Home / 141,574.22-195,368.49-80,331.56

Finding the Fourth Proportional to 141,574.22, 195,368.49 and 80,331.56

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Solution

The fourth proportional to 141,574.22, 195,368.49 and 80,331.56 is: 110,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,574.22 : 195,368.49 = 80,331.56 : x
  2. Step 2: Convert to fraction form
    141,574.22/195,368.49 = 80,331.56/x
  3. Step 3: Cross multiply
    141,574.22x = 195,368.49 × 80,331.56
  4. Step 4: Simplify right side
    141,574.22x = 15,694,254,599.70
  5. Step 5: Solve for x
    x = 15,694,254,599.70/141,574.22
  6. Step 6: Final answer
    x = 110,855.32

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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.