Home / 303,141.18-455,028.75-125,753.52

Finding the Fourth Proportional to 303,141.18, 455,028.75 and 125,753.52

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Solution

The fourth proportional to 303,141.18, 455,028.75 and 125,753.52 is: 188,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,141.18 : 455,028.75 = 125,753.52 : x
  2. Step 2: Convert to fraction form
    303,141.18/455,028.75 = 125,753.52/x
  3. Step 3: Cross multiply
    303,141.18x = 455,028.75 × 125,753.52
  4. Step 4: Simplify right side
    303,141.18x = 57,221,467,013.70
  5. Step 5: Solve for x
    x = 57,221,467,013.70/303,141.18
  6. Step 6: Final answer
    x = 188,761.77

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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.