Home / 166,772.78-230,146.58-90,291.92

Finding the Fourth Proportional to 166,772.78, 230,146.58 and 90,291.92

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Solution

The fourth proportional to 166,772.78, 230,146.58 and 90,291.92 is: 124,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,772.78 : 230,146.58 = 90,291.92 : x
  2. Step 2: Convert to fraction form
    166,772.78/230,146.58 = 90,291.92/x
  3. Step 3: Cross multiply
    166,772.78x = 230,146.58 × 90,291.92
  4. Step 4: Simplify right side
    166,772.78x = 20,780,374,987.44
  5. Step 5: Solve for x
    x = 20,780,374,987.44/166,772.78
  6. Step 6: Final answer
    x = 124,602.92

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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.