Home / 154,878.36-213,797.38-104,645.40

Finding the Fourth Proportional to 154,878.36, 213,797.38 and 104,645.40

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Solution

The fourth proportional to 154,878.36, 213,797.38 and 104,645.40 is: 144,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,878.36 : 213,797.38 = 104,645.40 : x
  2. Step 2: Convert to fraction form
    154,878.36/213,797.38 = 104,645.40/x
  3. Step 3: Cross multiply
    154,878.36x = 213,797.38 × 104,645.40
  4. Step 4: Simplify right side
    154,878.36x = 22,372,912,349.05
  5. Step 5: Solve for x
    x = 22,372,912,349.05/154,878.36
  6. Step 6: Final answer
    x = 144,454.73

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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.