Home / 102,083.03-153,155.71-52,198.17

Finding the Fourth Proportional to 102,083.03, 153,155.71 and 52,198.17

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Solution

The fourth proportional to 102,083.03, 153,155.71 and 52,198.17 is: 78,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,083.03 : 153,155.71 = 52,198.17 : x
  2. Step 2: Convert to fraction form
    102,083.03/153,155.71 = 52,198.17/x
  3. Step 3: Cross multiply
    102,083.03x = 153,155.71 × 52,198.17
  4. Step 4: Simplify right side
    102,083.03x = 7,994,447,787.05
  5. Step 5: Solve for x
    x = 7,994,447,787.05/102,083.03
  6. Step 6: Final answer
    x = 78,313.19

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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.