Home / 133,946.60-200,976.12-83,387.91

Finding the Fourth Proportional to 133,946.60, 200,976.12 and 83,387.91

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Solution

The fourth proportional to 133,946.60, 200,976.12 and 83,387.91 is: 125,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,946.60 : 200,976.12 = 83,387.91 : x
  2. Step 2: Convert to fraction form
    133,946.60/200,976.12 = 83,387.91/x
  3. Step 3: Cross multiply
    133,946.60x = 200,976.12 × 83,387.91
  4. Step 4: Simplify right side
    133,946.60x = 16,758,977,664.63
  5. Step 5: Solve for x
    x = 16,758,977,664.63/133,946.60
  6. Step 6: Final answer
    x = 125,116.86

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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.