Home / 147,410.20-221,066.70-53,903.80

Finding the Fourth Proportional to 147,410.20, 221,066.70 and 53,903.80

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Solution

The fourth proportional to 147,410.20, 221,066.70 and 53,903.80 is: 80,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,410.20 : 221,066.70 = 53,903.80 : x
  2. Step 2: Convert to fraction form
    147,410.20/221,066.70 = 53,903.80/x
  3. Step 3: Cross multiply
    147,410.20x = 221,066.70 × 53,903.80
  4. Step 4: Simplify right side
    147,410.20x = 11,916,335,183.46
  5. Step 5: Solve for x
    x = 11,916,335,183.46/147,410.20
  6. Step 6: Final answer
    x = 80,837.93

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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.