Home / 154,786.98-213,515.30-97,335.17

Finding the Fourth Proportional to 154,786.98, 213,515.30 and 97,335.17

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Solution

The fourth proportional to 154,786.98, 213,515.30 and 97,335.17 is: 134,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,786.98 : 213,515.30 = 97,335.17 : x
  2. Step 2: Convert to fraction form
    154,786.98/213,515.30 = 97,335.17/x
  3. Step 3: Cross multiply
    154,786.98x = 213,515.30 × 97,335.17
  4. Step 4: Simplify right side
    154,786.98x = 20,782,546,955.52
  5. Step 5: Solve for x
    x = 20,782,546,955.52/154,786.98
  6. Step 6: Final answer
    x = 134,265.47

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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.