Home / 120,084.60-179,877.78-70,012.84

Finding the Fourth Proportional to 120,084.60, 179,877.78 and 70,012.84

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Solution

The fourth proportional to 120,084.60, 179,877.78 and 70,012.84 is: 104,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,084.60 : 179,877.78 = 70,012.84 : x
  2. Step 2: Convert to fraction form
    120,084.60/179,877.78 = 70,012.84/x
  3. Step 3: Cross multiply
    120,084.60x = 179,877.78 × 70,012.84
  4. Step 4: Simplify right side
    120,084.60x = 12,593,754,230.70
  5. Step 5: Solve for x
    x = 12,593,754,230.70/120,084.60
  6. Step 6: Final answer
    x = 104,874.02

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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.