Home / 136,731.65-204,802.22-133,385.54

Finding the Fourth Proportional to 136,731.65, 204,802.22 and 133,385.54

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Solution

The fourth proportional to 136,731.65, 204,802.22 and 133,385.54 is: 199,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,731.65 : 204,802.22 = 133,385.54 : x
  2. Step 2: Convert to fraction form
    136,731.65/204,802.22 = 133,385.54/x
  3. Step 3: Cross multiply
    136,731.65x = 204,802.22 × 133,385.54
  4. Step 4: Simplify right side
    136,731.65x = 27,317,654,017.35
  5. Step 5: Solve for x
    x = 27,317,654,017.35/136,731.65
  6. Step 6: Final answer
    x = 199,790.28

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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.