Home / 109,384.60-164,076.90-82,812.55

Finding the Fourth Proportional to 109,384.60, 164,076.90 and 82,812.55

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Solution

The fourth proportional to 109,384.60, 164,076.90 and 82,812.55 is: 124,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,384.60 : 164,076.90 = 82,812.55 : x
  2. Step 2: Convert to fraction form
    109,384.60/164,076.90 = 82,812.55/x
  3. Step 3: Cross multiply
    109,384.60x = 164,076.90 × 82,812.55
  4. Step 4: Simplify right side
    109,384.60x = 13,587,626,485.10
  5. Step 5: Solve for x
    x = 13,587,626,485.10/109,384.60
  6. Step 6: Final answer
    x = 124,218.83

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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.