Home / 163,579.68-245,369.21-51,268.55

Finding the Fourth Proportional to 163,579.68, 245,369.21 and 51,268.55

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Solution

The fourth proportional to 163,579.68, 245,369.21 and 51,268.55 is: 76,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,579.68 : 245,369.21 = 51,268.55 : x
  2. Step 2: Convert to fraction form
    163,579.68/245,369.21 = 51,268.55/x
  3. Step 3: Cross multiply
    163,579.68x = 245,369.21 × 51,268.55
  4. Step 4: Simplify right side
    163,579.68x = 12,579,722,128.16
  5. Step 5: Solve for x
    x = 12,579,722,128.16/163,579.68
  6. Step 6: Final answer
    x = 76,902.72

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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.