Home / 130,021.30-195,015.21-41,275.81

Finding the Fourth Proportional to 130,021.30, 195,015.21 and 41,275.81

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Solution

The fourth proportional to 130,021.30, 195,015.21 and 41,275.81 is: 61,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,021.30 : 195,015.21 = 41,275.81 : x
  2. Step 2: Convert to fraction form
    130,021.30/195,015.21 = 41,275.81/x
  3. Step 3: Cross multiply
    130,021.30x = 195,015.21 × 41,275.81
  4. Step 4: Simplify right side
    130,021.30x = 8,049,410,755.07
  5. Step 5: Solve for x
    x = 8,049,410,755.07/130,021.30
  6. Step 6: Final answer
    x = 61,908.40

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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.