Home / 464,091.72-696,138.12-127,135.26

Finding the Fourth Proportional to 464,091.72, 696,138.12 and 127,135.26

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Solution

The fourth proportional to 464,091.72, 696,138.12 and 127,135.26 is: 190,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,091.72 : 696,138.12 = 127,135.26 : x
  2. Step 2: Convert to fraction form
    464,091.72/696,138.12 = 127,135.26/x
  3. Step 3: Cross multiply
    464,091.72x = 696,138.12 × 127,135.26
  4. Step 4: Simplify right side
    464,091.72x = 88,503,700,882.11
  5. Step 5: Solve for x
    x = 88,503,700,882.11/464,091.72
  6. Step 6: Final answer
    x = 190,703.04

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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.