Home / 245,311.47-368,083.31-103,187.93

Finding the Fourth Proportional to 245,311.47, 368,083.31 and 103,187.93

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Solution

The fourth proportional to 245,311.47, 368,083.31 and 103,187.93 is: 154,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,311.47 : 368,083.31 = 103,187.93 : x
  2. Step 2: Convert to fraction form
    245,311.47/368,083.31 = 103,187.93/x
  3. Step 3: Cross multiply
    245,311.47x = 368,083.31 × 103,187.93
  4. Step 4: Simplify right side
    245,311.47x = 37,981,752,470.09
  5. Step 5: Solve for x
    x = 37,981,752,470.09/245,311.47
  6. Step 6: Final answer
    x = 154,830.72

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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.