Home / 131,235.81-196,885.07-42,489.41

Finding the Fourth Proportional to 131,235.81, 196,885.07 and 42,489.41

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Solution

The fourth proportional to 131,235.81, 196,885.07 and 42,489.41 is: 63,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235.81 : 196,885.07 = 42,489.41 : x
  2. Step 2: Convert to fraction form
    131,235.81/196,885.07 = 42,489.41/x
  3. Step 3: Cross multiply
    131,235.81x = 196,885.07 × 42,489.41
  4. Step 4: Simplify right side
    131,235.81x = 8,365,529,265.24
  5. Step 5: Solve for x
    x = 8,365,529,265.24/131,235.81
  6. Step 6: Final answer
    x = 63,744.26

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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.