Home / 175,383.80-262,902.90-86,564.60

Finding the Fourth Proportional to 175,383.80, 262,902.90 and 86,564.60

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Solution

The fourth proportional to 175,383.80, 262,902.90 and 86,564.60 is: 129,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,383.80 : 262,902.90 = 86,564.60 : x
  2. Step 2: Convert to fraction form
    175,383.80/262,902.90 = 86,564.60/x
  3. Step 3: Cross multiply
    175,383.80x = 262,902.90 × 86,564.60
  4. Step 4: Simplify right side
    175,383.80x = 22,758,084,377.34
  5. Step 5: Solve for x
    x = 22,758,084,377.34/175,383.80
  6. Step 6: Final answer
    x = 129,761.61

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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.