Home / 148,434.10-222,790.35-78,363.70

Finding the Fourth Proportional to 148,434.10, 222,790.35 and 78,363.70

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Solution

The fourth proportional to 148,434.10, 222,790.35 and 78,363.70 is: 117,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,434.10 : 222,790.35 = 78,363.70 : x
  2. Step 2: Convert to fraction form
    148,434.10/222,790.35 = 78,363.70/x
  3. Step 3: Cross multiply
    148,434.10x = 222,790.35 × 78,363.70
  4. Step 4: Simplify right side
    148,434.10x = 17,458,676,150.30
  5. Step 5: Solve for x
    x = 17,458,676,150.30/148,434.10
  6. Step 6: Final answer
    x = 117,619.04

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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.