Home / 126,140.20-189,210.30-114,476.20

Finding the Fourth Proportional to 126,140.20, 189,210.30 and 114,476.20

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Solution

The fourth proportional to 126,140.20, 189,210.30 and 114,476.20 is: 171,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,140.20 : 189,210.30 = 114,476.20 : x
  2. Step 2: Convert to fraction form
    126,140.20/189,210.30 = 114,476.20/x
  3. Step 3: Cross multiply
    126,140.20x = 189,210.30 × 114,476.20
  4. Step 4: Simplify right side
    126,140.20x = 21,660,076,144.86
  5. Step 5: Solve for x
    x = 21,660,076,144.86/126,140.20
  6. Step 6: Final answer
    x = 171,714.30

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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.