Home / 104,787.57-144,603.17-57,039.90

Finding the Fourth Proportional to 104,787.57, 144,603.17 and 57,039.90

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Solution

The fourth proportional to 104,787.57, 144,603.17 and 57,039.90 is: 78,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,787.57 : 144,603.17 = 57,039.90 : x
  2. Step 2: Convert to fraction form
    104,787.57/144,603.17 = 57,039.90/x
  3. Step 3: Cross multiply
    104,787.57x = 144,603.17 × 57,039.90
  4. Step 4: Simplify right side
    104,787.57x = 8,248,149,348.27
  5. Step 5: Solve for x
    x = 8,248,149,348.27/104,787.57
  6. Step 6: Final answer
    x = 78,713.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.