Home / 130,194.20-194,999.70-127,278.20

Finding the Fourth Proportional to 130,194.20, 194,999.70 and 127,278.20

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Solution

The fourth proportional to 130,194.20, 194,999.70 and 127,278.20 is: 190,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,194.20 : 194,999.70 = 127,278.20 : x
  2. Step 2: Convert to fraction form
    130,194.20/194,999.70 = 127,278.20/x
  3. Step 3: Cross multiply
    130,194.20x = 194,999.70 × 127,278.20
  4. Step 4: Simplify right side
    130,194.20x = 24,819,210,816.54
  5. Step 5: Solve for x
    x = 24,819,210,816.54/130,194.20
  6. Step 6: Final answer
    x = 190,632.23

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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.