Home / 190,957-286,337.04-131,076.96

Finding the Fourth Proportional to 190,957, 286,337.04 and 131,076.96

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Solution

The fourth proportional to 190,957, 286,337.04 and 131,076.96 is: 196,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,957 : 286,337.04 = 131,076.96 : x
  2. Step 2: Convert to fraction form
    190,957/286,337.04 = 131,076.96/x
  3. Step 3: Cross multiply
    190,957x = 286,337.04 × 131,076.96
  4. Step 4: Simplify right side
    190,957x = 37,532,188,738.60
  5. Step 5: Solve for x
    x = 37,532,188,738.60/190,957
  6. Step 6: Final answer
    x = 196,547.85

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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.