Home / 154,984.88-213,824.13-101,300.89

Finding the Fourth Proportional to 154,984.88, 213,824.13 and 101,300.89

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Solution

The fourth proportional to 154,984.88, 213,824.13 and 101,300.89 is: 139,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,984.88 : 213,824.13 = 101,300.89 : x
  2. Step 2: Convert to fraction form
    154,984.88/213,824.13 = 101,300.89/x
  3. Step 3: Cross multiply
    154,984.88x = 213,824.13 × 101,300.89
  4. Step 4: Simplify right side
    154,984.88x = 21,660,574,672.48
  5. Step 5: Solve for x
    x = 21,660,574,672.48/154,984.88
  6. Step 6: Final answer
    x = 139,759.28

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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.