Home / 277,167.60-415,794.96-90,135.36

Finding the Fourth Proportional to 277,167.60, 415,794.96 and 90,135.36

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Solution

The fourth proportional to 277,167.60, 415,794.96 and 90,135.36 is: 135,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,167.60 : 415,794.96 = 90,135.36 : x
  2. Step 2: Convert to fraction form
    277,167.60/415,794.96 = 90,135.36/x
  3. Step 3: Cross multiply
    277,167.60x = 415,794.96 × 90,135.36
  4. Step 4: Simplify right side
    277,167.60x = 37,477,828,405.79
  5. Step 5: Solve for x
    x = 37,477,828,405.79/277,167.60
  6. Step 6: Final answer
    x = 135,217.21

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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.