Home / 120,526.25-166,393.13-82,342.85

Finding the Fourth Proportional to 120,526.25, 166,393.13 and 82,342.85

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Solution

The fourth proportional to 120,526.25, 166,393.13 and 82,342.85 is: 113,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526.25 : 166,393.13 = 82,342.85 : x
  2. Step 2: Convert to fraction form
    120,526.25/166,393.13 = 82,342.85/x
  3. Step 3: Cross multiply
    120,526.25x = 166,393.13 × 82,342.85
  4. Step 4: Simplify right side
    120,526.25x = 13,701,283,300.94
  5. Step 5: Solve for x
    x = 13,701,283,300.94/120,526.25
  6. Step 6: Final answer
    x = 113,678.84

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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.