Home / 166,342.65-229,547.38-105,121.56

Finding the Fourth Proportional to 166,342.65, 229,547.38 and 105,121.56

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Solution

The fourth proportional to 166,342.65, 229,547.38 and 105,121.56 is: 145,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,342.65 : 229,547.38 = 105,121.56 : x
  2. Step 2: Convert to fraction form
    166,342.65/229,547.38 = 105,121.56/x
  3. Step 3: Cross multiply
    166,342.65x = 229,547.38 × 105,121.56
  4. Step 4: Simplify right side
    166,342.65x = 24,130,378,183.41
  5. Step 5: Solve for x
    x = 24,130,378,183.41/166,342.65
  6. Step 6: Final answer
    x = 145,064.29

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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.