Home / 155,327.46-214,424.10-117,102.54

Finding the Fourth Proportional to 155,327.46, 214,424.10 and 117,102.54

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Solution

The fourth proportional to 155,327.46, 214,424.10 and 117,102.54 is: 161,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,327.46 : 214,424.10 = 117,102.54 : x
  2. Step 2: Convert to fraction form
    155,327.46/214,424.10 = 117,102.54/x
  3. Step 3: Cross multiply
    155,327.46x = 214,424.10 × 117,102.54
  4. Step 4: Simplify right side
    155,327.46x = 25,109,606,747.21
  5. Step 5: Solve for x
    x = 25,109,606,747.21/155,327.46
  6. Step 6: Final answer
    x = 161,655.94

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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.