Home / 166,630.06-229,948.88-90,149.36

Finding the Fourth Proportional to 166,630.06, 229,948.88 and 90,149.36

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Solution

The fourth proportional to 166,630.06, 229,948.88 and 90,149.36 is: 124,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,630.06 : 229,948.88 = 90,149.36 : x
  2. Step 2: Convert to fraction form
    166,630.06/229,948.88 = 90,149.36/x
  3. Step 3: Cross multiply
    166,630.06x = 229,948.88 × 90,149.36
  4. Step 4: Simplify right side
    166,630.06x = 20,729,742,764.23
  5. Step 5: Solve for x
    x = 20,729,742,764.23/166,630.06
  6. Step 6: Final answer
    x = 124,405.78

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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.