Home / 130,568.43-179,010.99-128,206.47

Finding the Fourth Proportional to 130,568.43, 179,010.99 and 128,206.47

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Solution

The fourth proportional to 130,568.43, 179,010.99 and 128,206.47 is: 175,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,568.43 : 179,010.99 = 128,206.47 : x
  2. Step 2: Convert to fraction form
    130,568.43/179,010.99 = 128,206.47/x
  3. Step 3: Cross multiply
    130,568.43x = 179,010.99 × 128,206.47
  4. Step 4: Simplify right side
    130,568.43x = 22,950,365,583.02
  5. Step 5: Solve for x
    x = 22,950,365,583.02/130,568.43
  6. Step 6: Final answer
    x = 175,772.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.