Home / 154,749.22-213,647.07-101,123.98

Finding the Fourth Proportional to 154,749.22, 213,647.07 and 101,123.98

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Solution

The fourth proportional to 154,749.22, 213,647.07 and 101,123.98 is: 139,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,749.22 : 213,647.07 = 101,123.98 : x
  2. Step 2: Convert to fraction form
    154,749.22/213,647.07 = 101,123.98/x
  3. Step 3: Cross multiply
    154,749.22x = 213,647.07 × 101,123.98
  4. Step 4: Simplify right side
    154,749.22x = 21,604,842,033.74
  5. Step 5: Solve for x
    x = 21,604,842,033.74/154,749.22
  6. Step 6: Final answer
    x = 139,611.96

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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.