Home / 120,293.76-166,014.24-66,580.80

Finding the Fourth Proportional to 120,293.76, 166,014.24 and 66,580.80

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Solution

The fourth proportional to 120,293.76, 166,014.24 and 66,580.80 is: 91,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,293.76 : 166,014.24 = 66,580.80 : x
  2. Step 2: Convert to fraction form
    120,293.76/166,014.24 = 66,580.80/x
  3. Step 3: Cross multiply
    120,293.76x = 166,014.24 × 66,580.80
  4. Step 4: Simplify right side
    120,293.76x = 11,053,360,910.59
  5. Step 5: Solve for x
    x = 11,053,360,910.59/120,293.76
  6. Step 6: Final answer
    x = 91,886.40

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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.