Home / 166,428.14-229,670.52-90,976.64

Finding the Fourth Proportional to 166,428.14, 229,670.52 and 90,976.64

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Solution

The fourth proportional to 166,428.14, 229,670.52 and 90,976.64 is: 125,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,428.14 : 229,670.52 = 90,976.64 : x
  2. Step 2: Convert to fraction form
    166,428.14/229,670.52 = 90,976.64/x
  3. Step 3: Cross multiply
    166,428.14x = 229,670.52 × 90,976.64
  4. Step 4: Simplify right side
    166,428.14x = 20,894,652,216.65
  5. Step 5: Solve for x
    x = 20,894,652,216.65/166,428.14
  6. Step 6: Final answer
    x = 125,547.59

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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.