Home / 131,237.40-196,856.10-90,996.60

Finding the Fourth Proportional to 131,237.40, 196,856.10 and 90,996.60

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Solution

The fourth proportional to 131,237.40, 196,856.10 and 90,996.60 is: 136,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,237.40 : 196,856.10 = 90,996.60 : x
  2. Step 2: Convert to fraction form
    131,237.40/196,856.10 = 90,996.60/x
  3. Step 3: Cross multiply
    131,237.40x = 196,856.10 × 90,996.60
  4. Step 4: Simplify right side
    131,237.40x = 17,913,235,789.26
  5. Step 5: Solve for x
    x = 17,913,235,789.26/131,237.40
  6. Step 6: Final answer
    x = 136,494.90

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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.