Home / 166,018.30-229,104.74-90,566.26

Finding the Fourth Proportional to 166,018.30, 229,104.74 and 90,566.26

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Solution

The fourth proportional to 166,018.30, 229,104.74 and 90,566.26 is: 124,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,018.30 : 229,104.74 = 90,566.26 : x
  2. Step 2: Convert to fraction form
    166,018.30/229,104.74 = 90,566.26/x
  3. Step 3: Cross multiply
    166,018.30x = 229,104.74 × 90,566.26
  4. Step 4: Simplify right side
    166,018.30x = 20,749,159,450.07
  5. Step 5: Solve for x
    x = 20,749,159,450.07/166,018.30
  6. Step 6: Final answer
    x = 124,981.16

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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.