Home / 131,544.49-197,390.73-71,577.29

Finding the Fourth Proportional to 131,544.49, 197,390.73 and 71,577.29

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Solution

The fourth proportional to 131,544.49, 197,390.73 and 71,577.29 is: 107,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,544.49 : 197,390.73 = 71,577.29 : x
  2. Step 2: Convert to fraction form
    131,544.49/197,390.73 = 71,577.29/x
  3. Step 3: Cross multiply
    131,544.49x = 197,390.73 × 71,577.29
  4. Step 4: Simplify right side
    131,544.49x = 14,128,693,524.52
  5. Step 5: Solve for x
    x = 14,128,693,524.52/131,544.49
  6. Step 6: Final answer
    x = 107,406.20

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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.