Home / 155,078.34-214,018.92-104,176.08

Finding the Fourth Proportional to 155,078.34, 214,018.92 and 104,176.08

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Solution

The fourth proportional to 155,078.34, 214,018.92 and 104,176.08 is: 143,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,078.34 : 214,018.92 = 104,176.08 : x
  2. Step 2: Convert to fraction form
    155,078.34/214,018.92 = 104,176.08/x
  3. Step 3: Cross multiply
    155,078.34x = 214,018.92 × 104,176.08
  4. Step 4: Simplify right side
    155,078.34x = 22,295,652,131.43
  5. Step 5: Solve for x
    x = 22,295,652,131.43/155,078.34
  6. Step 6: Final answer
    x = 143,770.25

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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.