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Finding the Fourth Proportional to 166,671.37, 230,004.74 and 90,188.79

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Solution

The fourth proportional to 166,671.37, 230,004.74 and 90,188.79 is: 124,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,671.37 : 230,004.74 = 90,188.79 : x
  2. Step 2: Convert to fraction form
    166,671.37/230,004.74 = 90,188.79/x
  3. Step 3: Cross multiply
    166,671.37x = 230,004.74 × 90,188.79
  4. Step 4: Simplify right side
    166,671.37x = 20,743,849,597.94
  5. Step 5: Solve for x
    x = 20,743,849,597.94/166,671.37
  6. Step 6: Final answer
    x = 124,459.58

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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.