Home / 155,669.28-214,851.60-122,076.96

Finding the Fourth Proportional to 155,669.28, 214,851.60 and 122,076.96

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Solution

The fourth proportional to 155,669.28, 214,851.60 and 122,076.96 is: 168,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,669.28 : 214,851.60 = 122,076.96 : x
  2. Step 2: Convert to fraction form
    155,669.28/214,851.60 = 122,076.96/x
  3. Step 3: Cross multiply
    155,669.28x = 214,851.60 × 122,076.96
  4. Step 4: Simplify right side
    155,669.28x = 26,228,430,179.14
  5. Step 5: Solve for x
    x = 26,228,430,179.14/155,669.28
  6. Step 6: Final answer
    x = 168,488.16

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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.