Home / 147,998.40-221,560.20-98,134.80

Finding the Fourth Proportional to 147,998.40, 221,560.20 and 98,134.80

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Solution

The fourth proportional to 147,998.40, 221,560.20 and 98,134.80 is: 146,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,998.40 : 221,560.20 = 98,134.80 : x
  2. Step 2: Convert to fraction form
    147,998.40/221,560.20 = 98,134.80/x
  3. Step 3: Cross multiply
    147,998.40x = 221,560.20 × 98,134.80
  4. Step 4: Simplify right side
    147,998.40x = 21,742,765,914.96
  5. Step 5: Solve for x
    x = 21,742,765,914.96/147,998.40
  6. Step 6: Final answer
    x = 146,912.17

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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.