Home / 179,470.90-269,205.13-85,692.34

Finding the Fourth Proportional to 179,470.90, 269,205.13 and 85,692.34

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Solution

The fourth proportional to 179,470.90, 269,205.13 and 85,692.34 is: 128,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,470.90 : 269,205.13 = 85,692.34 : x
  2. Step 2: Convert to fraction form
    179,470.90/269,205.13 = 85,692.34/x
  3. Step 3: Cross multiply
    179,470.90x = 269,205.13 × 85,692.34
  4. Step 4: Simplify right side
    179,470.90x = 23,068,817,529.70
  5. Step 5: Solve for x
    x = 23,068,817,529.70/179,470.90
  6. Step 6: Final answer
    x = 128,537.93

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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.