Home / 166,636.06-229,957.12-90,154.90

Finding the Fourth Proportional to 166,636.06, 229,957.12 and 90,154.90

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Solution

The fourth proportional to 166,636.06, 229,957.12 and 90,154.90 is: 124,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,636.06 : 229,957.12 = 90,154.90 : x
  2. Step 2: Convert to fraction form
    166,636.06/229,957.12 = 90,154.90/x
  3. Step 3: Cross multiply
    166,636.06x = 229,957.12 × 90,154.90
  4. Step 4: Simplify right side
    166,636.06x = 20,731,760,357.61
  5. Step 5: Solve for x
    x = 20,731,760,357.61/166,636.06
  6. Step 6: Final answer
    x = 124,413.41

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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.