Home / 131,354.32-197,029.36-89,129.38

Finding the Fourth Proportional to 131,354.32, 197,029.36 and 89,129.38

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Solution

The fourth proportional to 131,354.32, 197,029.36 and 89,129.38 is: 133,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,354.32 : 197,029.36 = 89,129.38 : x
  2. Step 2: Convert to fraction form
    131,354.32/197,029.36 = 89,129.38/x
  3. Step 3: Cross multiply
    131,354.32x = 197,029.36 × 89,129.38
  4. Step 4: Simplify right side
    131,354.32x = 17,561,104,698.60
  5. Step 5: Solve for x
    x = 17,561,104,698.60/131,354.32
  6. Step 6: Final answer
    x = 133,692.63

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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.