Home / 146,830.14-220,244.00-87,271.38

Finding the Fourth Proportional to 146,830.14, 220,244.00 and 87,271.38

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Solution

The fourth proportional to 146,830.14, 220,244.00 and 87,271.38 is: 130,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,830.14 : 220,244.00 = 87,271.38 : x
  2. Step 2: Convert to fraction form
    146,830.14/220,244.00 = 87,271.38/x
  3. Step 3: Cross multiply
    146,830.14x = 220,244.00 × 87,271.38
  4. Step 4: Simplify right side
    146,830.14x = 19,220,997,380.36
  5. Step 5: Solve for x
    x = 19,220,997,380.36/146,830.14
  6. Step 6: Final answer
    x = 130,906.35

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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.