Home / 220,149.80-329,835.90-136,946.60

Finding the Fourth Proportional to 220,149.80, 329,835.90 and 136,946.60

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Solution

The fourth proportional to 220,149.80, 329,835.90 and 136,946.60 is: 205,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,149.80 : 329,835.90 = 136,946.60 : x
  2. Step 2: Convert to fraction form
    220,149.80/329,835.90 = 136,946.60/x
  3. Step 3: Cross multiply
    220,149.80x = 329,835.90 × 136,946.60
  4. Step 4: Simplify right side
    220,149.80x = 45,169,905,062.94
  5. Step 5: Solve for x
    x = 45,169,905,062.94/220,149.80
  6. Step 6: Final answer
    x = 205,178.04

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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.