Home / 131,090.40-196,684.20-126,230.40

Finding the Fourth Proportional to 131,090.40, 196,684.20 and 126,230.40

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Solution

The fourth proportional to 131,090.40, 196,684.20 and 126,230.40 is: 189,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,090.40 : 196,684.20 = 126,230.40 : x
  2. Step 2: Convert to fraction form
    131,090.40/196,684.20 = 126,230.40/x
  3. Step 3: Cross multiply
    131,090.40x = 196,684.20 × 126,230.40
  4. Step 4: Simplify right side
    131,090.40x = 24,827,525,239.68
  5. Step 5: Solve for x
    x = 24,827,525,239.68/131,090.40
  6. Step 6: Final answer
    x = 189,392.40

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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.