Home / 120,494.48-166,282.39-66,782.96

Finding the Fourth Proportional to 120,494.48, 166,282.39 and 66,782.96

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Solution

The fourth proportional to 120,494.48, 166,282.39 and 66,782.96 is: 92,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,494.48 : 166,282.39 = 66,782.96 : x
  2. Step 2: Convert to fraction form
    120,494.48/166,282.39 = 66,782.96/x
  3. Step 3: Cross multiply
    120,494.48x = 166,282.39 × 66,782.96
  4. Step 4: Simplify right side
    120,494.48x = 11,104,830,075.70
  5. Step 5: Solve for x
    x = 11,104,830,075.70/120,494.48
  6. Step 6: Final answer
    x = 92,160.49

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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.