Home / 166,723.31-230,078.18-91,271.81

Finding the Fourth Proportional to 166,723.31, 230,078.18 and 91,271.81

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Solution

The fourth proportional to 166,723.31, 230,078.18 and 91,271.81 is: 125,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,723.31 : 230,078.18 = 91,271.81 : x
  2. Step 2: Convert to fraction form
    166,723.31/230,078.18 = 91,271.81/x
  3. Step 3: Cross multiply
    166,723.31x = 230,078.18 × 91,271.81
  4. Step 4: Simplify right side
    166,723.31x = 20,999,652,733.48
  5. Step 5: Solve for x
    x = 20,999,652,733.48/166,723.31
  6. Step 6: Final answer
    x = 125,955.11

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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.