Home / 126,383.63-174,480.60-87,677.38

Finding the Fourth Proportional to 126,383.63, 174,480.60 and 87,677.38

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Solution

The fourth proportional to 126,383.63, 174,480.60 and 87,677.38 is: 121,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,383.63 : 174,480.60 = 87,677.38 : x
  2. Step 2: Convert to fraction form
    126,383.63/174,480.60 = 87,677.38/x
  3. Step 3: Cross multiply
    126,383.63x = 174,480.60 × 87,677.38
  4. Step 4: Simplify right side
    126,383.63x = 15,298,000,558.04
  5. Step 5: Solve for x
    x = 15,298,000,558.04/126,383.63
  6. Step 6: Final answer
    x = 121,044.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.