Home / 177,829.58-266,448.20-125,128.34

Finding the Fourth Proportional to 177,829.58, 266,448.20 and 125,128.34

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Solution

The fourth proportional to 177,829.58, 266,448.20 and 125,128.34 is: 187,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,829.58 : 266,448.20 = 125,128.34 : x
  2. Step 2: Convert to fraction form
    177,829.58/266,448.20 = 125,128.34/x
  3. Step 3: Cross multiply
    177,829.58x = 266,448.20 × 125,128.34
  4. Step 4: Simplify right side
    177,829.58x = 33,340,220,961.99
  5. Step 5: Solve for x
    x = 33,340,220,961.99/177,829.58
  6. Step 6: Final answer
    x = 187,484.11

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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.