Home / 166,623.54-229,967.98-102,128.65

Finding the Fourth Proportional to 166,623.54, 229,967.98 and 102,128.65

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Solution

The fourth proportional to 166,623.54, 229,967.98 and 102,128.65 is: 140,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,623.54 : 229,967.98 = 102,128.65 : x
  2. Step 2: Convert to fraction form
    166,623.54/229,967.98 = 102,128.65/x
  3. Step 3: Cross multiply
    166,623.54x = 229,967.98 × 102,128.65
  4. Step 4: Simplify right side
    166,623.54x = 23,486,319,340.63
  5. Step 5: Solve for x
    x = 23,486,319,340.63/166,623.54
  6. Step 6: Final answer
    x = 140,954.39

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1.5x scale

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.