Home / 131,866.12-197,824.14-52,986.52

Finding the Fourth Proportional to 131,866.12, 197,824.14 and 52,986.52

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Solution

The fourth proportional to 131,866.12, 197,824.14 and 52,986.52 is: 79,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,866.12 : 197,824.14 = 52,986.52 : x
  2. Step 2: Convert to fraction form
    131,866.12/197,824.14 = 52,986.52/x
  3. Step 3: Cross multiply
    131,866.12x = 197,824.14 × 52,986.52
  4. Step 4: Simplify right side
    131,866.12x = 10,482,012,750.59
  5. Step 5: Solve for x
    x = 10,482,012,750.59/131,866.12
  6. Step 6: Final answer
    x = 79,489.81

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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.