Home / 131,235.75-196,884.98-42,489.35

Finding the Fourth Proportional to 131,235.75, 196,884.98 and 42,489.35

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Solution

The fourth proportional to 131,235.75, 196,884.98 and 42,489.35 is: 63,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235.75 : 196,884.98 = 42,489.35 : x
  2. Step 2: Convert to fraction form
    131,235.75/196,884.98 = 42,489.35/x
  3. Step 3: Cross multiply
    131,235.75x = 196,884.98 × 42,489.35
  4. Step 4: Simplify right side
    131,235.75x = 8,365,513,628.09
  5. Step 5: Solve for x
    x = 8,365,513,628.09/131,235.75
  6. Step 6: Final answer
    x = 63,744.17

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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.