Home / 154,963.24-213,606.66-101,221.36

Finding the Fourth Proportional to 154,963.24, 213,606.66 and 101,221.36

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Solution

The fourth proportional to 154,963.24, 213,606.66 and 101,221.36 is: 139,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,963.24 : 213,606.66 = 101,221.36 : x
  2. Step 2: Convert to fraction form
    154,963.24/213,606.66 = 101,221.36/x
  3. Step 3: Cross multiply
    154,963.24x = 213,606.66 × 101,221.36
  4. Step 4: Simplify right side
    154,963.24x = 21,621,556,630.26
  5. Step 5: Solve for x
    x = 21,621,556,630.26/154,963.24
  6. Step 6: Final answer
    x = 139,527.00

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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.