Home / 154,748.22-213,645.69-101,122.98

Finding the Fourth Proportional to 154,748.22, 213,645.69 and 101,122.98

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Solution

The fourth proportional to 154,748.22, 213,645.69 and 101,122.98 is: 139,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,748.22 : 213,645.69 = 101,122.98 : x
  2. Step 2: Convert to fraction form
    154,748.22/213,645.69 = 101,122.98/x
  3. Step 3: Cross multiply
    154,748.22x = 213,645.69 × 101,122.98
  4. Step 4: Simplify right side
    154,748.22x = 21,604,488,836.96
  5. Step 5: Solve for x
    x = 21,604,488,836.96/154,748.22
  6. Step 6: Final answer
    x = 139,610.58

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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.