Home / 89,326.97-134,525.23-81,355.35

Finding the Fourth Proportional to 89,326.97, 134,525.23 and 81,355.35

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Solution

The fourth proportional to 89,326.97, 134,525.23 and 81,355.35 is: 122,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,326.97 : 134,525.23 = 81,355.35 : x
  2. Step 2: Convert to fraction form
    89,326.97/134,525.23 = 81,355.35/x
  3. Step 3: Cross multiply
    89,326.97x = 134,525.23 × 81,355.35
  4. Step 4: Simplify right side
    89,326.97x = 10,944,346,967.09
  5. Step 5: Solve for x
    x = 10,944,346,967.09/89,326.97
  6. Step 6: Final answer
    x = 122,520.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.