Home / 109,490.80-164,241.60-57,002.80

Finding the Fourth Proportional to 109,490.80, 164,241.60 and 57,002.80

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Solution

The fourth proportional to 109,490.80, 164,241.60 and 57,002.80 is: 85,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,490.80 : 164,241.60 = 57,002.80 : x
  2. Step 2: Convert to fraction form
    109,490.80/164,241.60 = 57,002.80/x
  3. Step 3: Cross multiply
    109,490.80x = 164,241.60 × 57,002.80
  4. Step 4: Simplify right side
    109,490.80x = 9,362,231,076.48
  5. Step 5: Solve for x
    x = 9,362,231,076.48/109,490.80
  6. Step 6: Final answer
    x = 85,507.01

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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.