Home / 154,977.00-213,842.89-91,306.14

Finding the Fourth Proportional to 154,977.00, 213,842.89 and 91,306.14

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Solution

The fourth proportional to 154,977.00, 213,842.89 and 91,306.14 is: 125,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,977.00 : 213,842.89 = 91,306.14 : x
  2. Step 2: Convert to fraction form
    154,977.00/213,842.89 = 91,306.14/x
  3. Step 3: Cross multiply
    154,977.00x = 213,842.89 × 91,306.14
  4. Step 4: Simplify right side
    154,977.00x = 19,525,167,650.97
  5. Step 5: Solve for x
    x = 19,525,167,650.97/154,977.00
  6. Step 6: Final answer
    x = 125,987.52

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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.