Home / 120,416.90-166,180.79-66,701.91

Finding the Fourth Proportional to 120,416.90, 166,180.79 and 66,701.91

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Solution

The fourth proportional to 120,416.90, 166,180.79 and 66,701.91 is: 92,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,416.90 : 166,180.79 = 66,701.91 : x
  2. Step 2: Convert to fraction form
    120,416.90/166,180.79 = 66,701.91/x
  3. Step 3: Cross multiply
    120,416.90x = 166,180.79 × 66,701.91
  4. Step 4: Simplify right side
    120,416.90x = 11,084,575,764.80
  5. Step 5: Solve for x
    x = 11,084,575,764.80/120,416.90
  6. Step 6: Final answer
    x = 92,051.67

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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.