Home / 154,983.88-213,822.75-101,299.89

Finding the Fourth Proportional to 154,983.88, 213,822.75 and 101,299.89

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Solution

The fourth proportional to 154,983.88, 213,822.75 and 101,299.89 is: 139,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,983.88 : 213,822.75 = 101,299.89 : x
  2. Step 2: Convert to fraction form
    154,983.88/213,822.75 = 101,299.89/x
  3. Step 3: Cross multiply
    154,983.88x = 213,822.75 × 101,299.89
  4. Step 4: Simplify right side
    154,983.88x = 21,660,221,054.50
  5. Step 5: Solve for x
    x = 21,660,221,054.50/154,983.88
  6. Step 6: Final answer
    x = 139,757.90

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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.