Home / 144,947.70-217,529.55-74,790.90

Finding the Fourth Proportional to 144,947.70, 217,529.55 and 74,790.90

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Solution

The fourth proportional to 144,947.70, 217,529.55 and 74,790.90 is: 112,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,947.70 : 217,529.55 = 74,790.90 : x
  2. Step 2: Convert to fraction form
    144,947.70/217,529.55 = 74,790.90/x
  3. Step 3: Cross multiply
    144,947.70x = 217,529.55 × 74,790.90
  4. Step 4: Simplify right side
    144,947.70x = 16,269,230,821.10
  5. Step 5: Solve for x
    x = 16,269,230,821.10/144,947.70
  6. Step 6: Final answer
    x = 112,242.08

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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.