Home / 131,433.60-197,164.80-127,286.40

Finding the Fourth Proportional to 131,433.60, 197,164.80 and 127,286.40

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Solution

The fourth proportional to 131,433.60, 197,164.80 and 127,286.40 is: 190,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,433.60 : 197,164.80 = 127,286.40 : x
  2. Step 2: Convert to fraction form
    131,433.60/197,164.80 = 127,286.40/x
  3. Step 3: Cross multiply
    131,433.60x = 197,164.80 × 127,286.40
  4. Step 4: Simplify right side
    131,433.60x = 25,096,397,598.72
  5. Step 5: Solve for x
    x = 25,096,397,598.72/131,433.60
  6. Step 6: Final answer
    x = 190,943.55

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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.