Home / 163,601.37-245,405.17-51,279.12

Finding the Fourth Proportional to 163,601.37, 245,405.17 and 51,279.12

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Solution

The fourth proportional to 163,601.37, 245,405.17 and 51,279.12 is: 76,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.37 : 245,405.17 = 51,279.12 : x
  2. Step 2: Convert to fraction form
    163,601.37/245,405.17 = 51,279.12/x
  3. Step 3: Cross multiply
    163,601.37x = 245,405.17 × 51,279.12
  4. Step 4: Simplify right side
    163,601.37x = 12,584,161,161.05
  5. Step 5: Solve for x
    x = 12,584,161,161.05/163,601.37
  6. Step 6: Final answer
    x = 76,919.66

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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.