Home / 130,415.27-195,616.49-76,410.57

Finding the Fourth Proportional to 130,415.27, 195,616.49 and 76,410.57

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Solution

The fourth proportional to 130,415.27, 195,616.49 and 76,410.57 is: 114,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,415.27 : 195,616.49 = 76,410.57 : x
  2. Step 2: Convert to fraction form
    130,415.27/195,616.49 = 76,410.57/x
  3. Step 3: Cross multiply
    130,415.27x = 195,616.49 × 76,410.57
  4. Step 4: Simplify right side
    130,415.27x = 14,947,167,120.25
  5. Step 5: Solve for x
    x = 14,947,167,120.25/130,415.27
  6. Step 6: Final answer
    x = 114,612.10

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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.