Home / 130,014.56-194,983.20-55,133.60

Finding the Fourth Proportional to 130,014.56, 194,983.20 and 55,133.60

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Solution

The fourth proportional to 130,014.56, 194,983.20 and 55,133.60 is: 82,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,014.56 : 194,983.20 = 55,133.60 : x
  2. Step 2: Convert to fraction form
    130,014.56/194,983.20 = 55,133.60/x
  3. Step 3: Cross multiply
    130,014.56x = 194,983.20 × 55,133.60
  4. Step 4: Simplify right side
    130,014.56x = 10,750,125,755.52
  5. Step 5: Solve for x
    x = 10,750,125,755.52/130,014.56
  6. Step 6: Final answer
    x = 82,684.01

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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.