Home / 136,801.03-188,863.95-104,280.34

Finding the Fourth Proportional to 136,801.03, 188,863.95 and 104,280.34

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Solution

The fourth proportional to 136,801.03, 188,863.95 and 104,280.34 is: 143,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,801.03 : 188,863.95 = 104,280.34 : x
  2. Step 2: Convert to fraction form
    136,801.03/188,863.95 = 104,280.34/x
  3. Step 3: Cross multiply
    136,801.03x = 188,863.95 × 104,280.34
  4. Step 4: Simplify right side
    136,801.03x = 19,694,796,919.74
  5. Step 5: Solve for x
    x = 19,694,796,919.74/136,801.03
  6. Step 6: Final answer
    x = 143,966.73

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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.