Home / 131,996.40-197,476.20-119,554.80

Finding the Fourth Proportional to 131,996.40, 197,476.20 and 119,554.80

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Solution

The fourth proportional to 131,996.40, 197,476.20 and 119,554.80 is: 178,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,996.40 : 197,476.20 = 119,554.80 : x
  2. Step 2: Convert to fraction form
    131,996.40/197,476.20 = 119,554.80/x
  3. Step 3: Cross multiply
    131,996.40x = 197,476.20 × 119,554.80
  4. Step 4: Simplify right side
    131,996.40x = 23,609,227,595.76
  5. Step 5: Solve for x
    x = 23,609,227,595.76/131,996.40
  6. Step 6: Final answer
    x = 178,862.66

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1.5x scale

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.