Home / 111,012.40-166,518.60-54,830.80

Finding the Fourth Proportional to 111,012.40, 166,518.60 and 54,830.80

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Solution

The fourth proportional to 111,012.40, 166,518.60 and 54,830.80 is: 82,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,012.40 : 166,518.60 = 54,830.80 : x
  2. Step 2: Convert to fraction form
    111,012.40/166,518.60 = 54,830.80/x
  3. Step 3: Cross multiply
    111,012.40x = 166,518.60 × 54,830.80
  4. Step 4: Simplify right side
    111,012.40x = 9,130,348,052.88
  5. Step 5: Solve for x
    x = 9,130,348,052.88/111,012.40
  6. Step 6: Final answer
    x = 82,246.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.