Home / 166,617.81-229,932.81-91,166.31

Finding the Fourth Proportional to 166,617.81, 229,932.81 and 91,166.31

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Solution

The fourth proportional to 166,617.81, 229,932.81 and 91,166.31 is: 125,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,617.81 : 229,932.81 = 91,166.31 : x
  2. Step 2: Convert to fraction form
    166,617.81/229,932.81 = 91,166.31/x
  3. Step 3: Cross multiply
    166,617.81x = 229,932.81 × 91,166.31
  4. Step 4: Simplify right side
    166,617.81x = 20,962,125,835.63
  5. Step 5: Solve for x
    x = 20,962,125,835.63/166,617.81
  6. Step 6: Final answer
    x = 125,809.63

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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.