Home / 464,091.20-696,137.34-127,134.75

Finding the Fourth Proportional to 464,091.20, 696,137.34 and 127,134.75

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Solution

The fourth proportional to 464,091.20, 696,137.34 and 127,134.75 is: 190,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,091.20 : 696,137.34 = 127,134.75 : x
  2. Step 2: Convert to fraction form
    464,091.20/696,137.34 = 127,134.75/x
  3. Step 3: Cross multiply
    464,091.20x = 696,137.34 × 127,134.75
  4. Step 4: Simplify right side
    464,091.20x = 88,503,246,686.57
  5. Step 5: Solve for x
    x = 88,503,246,686.57/464,091.20
  6. Step 6: Final answer
    x = 190,702.27

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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.