Home / 120,660.90-166,536.27-69,681.93

Finding the Fourth Proportional to 120,660.90, 166,536.27 and 69,681.93

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Solution

The fourth proportional to 120,660.90, 166,536.27 and 69,681.93 is: 96,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,660.90 : 166,536.27 = 69,681.93 : x
  2. Step 2: Convert to fraction form
    120,660.90/166,536.27 = 69,681.93/x
  3. Step 3: Cross multiply
    120,660.90x = 166,536.27 × 69,681.93
  4. Step 4: Simplify right side
    120,660.90x = 11,604,568,708.60
  5. Step 5: Solve for x
    x = 11,604,568,708.60/120,660.90
  6. Step 6: Final answer
    x = 96,175.06

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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.