Home / 138,454.44-191,067.18-74,792.22

Finding the Fourth Proportional to 138,454.44, 191,067.18 and 74,792.22

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Solution

The fourth proportional to 138,454.44, 191,067.18 and 74,792.22 is: 103,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,454.44 : 191,067.18 = 74,792.22 : x
  2. Step 2: Convert to fraction form
    138,454.44/191,067.18 = 74,792.22/x
  3. Step 3: Cross multiply
    138,454.44x = 191,067.18 × 74,792.22
  4. Step 4: Simplify right side
    138,454.44x = 14,290,338,561.34
  5. Step 5: Solve for x
    x = 14,290,338,561.34/138,454.44
  6. Step 6: Final answer
    x = 103,213.29

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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.