Home / 170,606.78-255,800.66-70,835.84

Finding the Fourth Proportional to 170,606.78, 255,800.66 and 70,835.84

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Solution

The fourth proportional to 170,606.78, 255,800.66 and 70,835.84 is: 106,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,606.78 : 255,800.66 = 70,835.84 : x
  2. Step 2: Convert to fraction form
    170,606.78/255,800.66 = 70,835.84/x
  3. Step 3: Cross multiply
    170,606.78x = 255,800.66 × 70,835.84
  4. Step 4: Simplify right side
    170,606.78x = 18,119,854,623.65
  5. Step 5: Solve for x
    x = 18,119,854,623.65/170,606.78
  6. Step 6: Final answer
    x = 106,208.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.