Home / 120,548.64-166,350.48-66,830.52

Finding the Fourth Proportional to 120,548.64, 166,350.48 and 66,830.52

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Solution

The fourth proportional to 120,548.64, 166,350.48 and 66,830.52 is: 92,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,548.64 : 166,350.48 = 66,830.52 : x
  2. Step 2: Convert to fraction form
    120,548.64/166,350.48 = 66,830.52/x
  3. Step 3: Cross multiply
    120,548.64x = 166,350.48 × 66,830.52
  4. Step 4: Simplify right side
    120,548.64x = 11,117,289,080.65
  5. Step 5: Solve for x
    x = 11,117,289,080.65/120,548.64
  6. Step 6: Final answer
    x = 92,222.43

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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.