Home / 147,664.20-221,496.30-97,800.60

Finding the Fourth Proportional to 147,664.20, 221,496.30 and 97,800.60

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Solution

The fourth proportional to 147,664.20, 221,496.30 and 97,800.60 is: 146,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,664.20 : 221,496.30 = 97,800.60 : x
  2. Step 2: Convert to fraction form
    147,664.20/221,496.30 = 97,800.60/x
  3. Step 3: Cross multiply
    147,664.20x = 221,496.30 × 97,800.60
  4. Step 4: Simplify right side
    147,664.20x = 21,662,471,037.78
  5. Step 5: Solve for x
    x = 21,662,471,037.78/147,664.20
  6. Step 6: Final answer
    x = 146,700.90

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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.