Home / 177,051.22-265,383.68-87,155.80

Finding the Fourth Proportional to 177,051.22, 265,383.68 and 87,155.80

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Solution

The fourth proportional to 177,051.22, 265,383.68 and 87,155.80 is: 130,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,051.22 : 265,383.68 = 87,155.80 : x
  2. Step 2: Convert to fraction form
    177,051.22/265,383.68 = 87,155.80/x
  3. Step 3: Cross multiply
    177,051.22x = 265,383.68 × 87,155.80
  4. Step 4: Simplify right side
    177,051.22x = 23,129,725,838.11
  5. Step 5: Solve for x
    x = 23,129,725,838.11/177,051.22
  6. Step 6: Final answer
    x = 130,638.61

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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.