Home / 153,738.87-230,936.09-144,750.30

Finding the Fourth Proportional to 153,738.87, 230,936.09 and 144,750.30

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Solution

The fourth proportional to 153,738.87, 230,936.09 and 144,750.30 is: 217,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,738.87 : 230,936.09 = 144,750.30 : x
  2. Step 2: Convert to fraction form
    153,738.87/230,936.09 = 144,750.30/x
  3. Step 3: Cross multiply
    153,738.87x = 230,936.09 × 144,750.30
  4. Step 4: Simplify right side
    153,738.87x = 33,428,068,308.33
  5. Step 5: Solve for x
    x = 33,428,068,308.33/153,738.87
  6. Step 6: Final answer
    x = 217,434.07

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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.