Home / 166,618.13-229,933.01-91,166.63

Finding the Fourth Proportional to 166,618.13, 229,933.01 and 91,166.63

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Solution

The fourth proportional to 166,618.13, 229,933.01 and 91,166.63 is: 125,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,618.13 : 229,933.01 = 91,166.63 : x
  2. Step 2: Convert to fraction form
    166,618.13/229,933.01 = 91,166.63/x
  3. Step 3: Cross multiply
    166,618.13x = 229,933.01 × 91,166.63
  4. Step 4: Simplify right side
    166,618.13x = 20,962,216,725.71
  5. Step 5: Solve for x
    x = 20,962,216,725.71/166,618.13
  6. Step 6: Final answer
    x = 125,809.94

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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.