Home / 177,578.08-245,065.20-102,126.64

Finding the Fourth Proportional to 177,578.08, 245,065.20 and 102,126.64

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Solution

The fourth proportional to 177,578.08, 245,065.20 and 102,126.64 is: 140,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,578.08 : 245,065.20 = 102,126.64 : x
  2. Step 2: Convert to fraction form
    177,578.08/245,065.20 = 102,126.64/x
  3. Step 3: Cross multiply
    177,578.08x = 245,065.20 × 102,126.64
  4. Step 4: Simplify right side
    177,578.08x = 25,027,685,456.93
  5. Step 5: Solve for x
    x = 25,027,685,456.93/177,578.08
  6. Step 6: Final answer
    x = 140,939.05

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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.