Home / 105,043.94-144,961.68-57,298.29

Finding the Fourth Proportional to 105,043.94, 144,961.68 and 57,298.29

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Solution

The fourth proportional to 105,043.94, 144,961.68 and 57,298.29 is: 79,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,043.94 : 144,961.68 = 57,298.29 : x
  2. Step 2: Convert to fraction form
    105,043.94/144,961.68 = 57,298.29/x
  3. Step 3: Cross multiply
    105,043.94x = 144,961.68 × 57,298.29
  4. Step 4: Simplify right side
    105,043.94x = 8,306,056,050.79
  5. Step 5: Solve for x
    x = 8,306,056,050.79/105,043.94
  6. Step 6: Final answer
    x = 79,072.21

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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.