Home / 147,819.70-221,680.95-54,313.30

Finding the Fourth Proportional to 147,819.70, 221,680.95 and 54,313.30

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Solution

The fourth proportional to 147,819.70, 221,680.95 and 54,313.30 is: 81,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,819.70 : 221,680.95 = 54,313.30 : x
  2. Step 2: Convert to fraction form
    147,819.70/221,680.95 = 54,313.30/x
  3. Step 3: Cross multiply
    147,819.70x = 221,680.95 × 54,313.30
  4. Step 4: Simplify right side
    147,819.70x = 12,040,223,941.64
  5. Step 5: Solve for x
    x = 12,040,223,941.64/147,819.70
  6. Step 6: Final answer
    x = 81,452.09

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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.