Home / 166,862.34-230,268.12-90,379.98

Finding the Fourth Proportional to 166,862.34, 230,268.12 and 90,379.98

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Solution

The fourth proportional to 166,862.34, 230,268.12 and 90,379.98 is: 124,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,862.34 : 230,268.12 = 90,379.98 : x
  2. Step 2: Convert to fraction form
    166,862.34/230,268.12 = 90,379.98/x
  3. Step 3: Cross multiply
    166,862.34x = 230,268.12 × 90,379.98
  4. Step 4: Simplify right side
    166,862.34x = 20,811,628,080.24
  5. Step 5: Solve for x
    x = 20,811,628,080.24/166,862.34
  6. Step 6: Final answer
    x = 124,723.34

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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.