Home / 146,606.40-220,017.60-99,109.44

Finding the Fourth Proportional to 146,606.40, 220,017.60 and 99,109.44

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Solution

The fourth proportional to 146,606.40, 220,017.60 and 99,109.44 is: 148,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,606.40 : 220,017.60 = 99,109.44 : x
  2. Step 2: Convert to fraction form
    146,606.40/220,017.60 = 99,109.44/x
  3. Step 3: Cross multiply
    146,606.40x = 220,017.60 × 99,109.44
  4. Step 4: Simplify right side
    146,606.40x = 21,805,821,126.14
  5. Step 5: Solve for x
    x = 21,805,821,126.14/146,606.40
  6. Step 6: Final answer
    x = 148,737.17

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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.