Home / 123,739.40-185,609.10-92,246.60

Finding the Fourth Proportional to 123,739.40, 185,609.10 and 92,246.60

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Solution

The fourth proportional to 123,739.40, 185,609.10 and 92,246.60 is: 138,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739.40 : 185,609.10 = 92,246.60 : x
  2. Step 2: Convert to fraction form
    123,739.40/185,609.10 = 92,246.60/x
  3. Step 3: Cross multiply
    123,739.40x = 185,609.10 × 92,246.60
  4. Step 4: Simplify right side
    123,739.40x = 17,121,808,404.06
  5. Step 5: Solve for x
    x = 17,121,808,404.06/123,739.40
  6. Step 6: Final answer
    x = 138,369.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.