Home / 148,644.90-222,939.30-42,028

Finding the Fourth Proportional to 148,644.90, 222,939.30 and 42,028

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Solution

The fourth proportional to 148,644.90, 222,939.30 and 42,028 is: 63,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,644.90 : 222,939.30 = 42,028 : x
  2. Step 2: Convert to fraction form
    148,644.90/222,939.30 = 42,028/x
  3. Step 3: Cross multiply
    148,644.90x = 222,939.30 × 42,028
  4. Step 4: Simplify right side
    148,644.90x = 9,369,692,900.40
  5. Step 5: Solve for x
    x = 9,369,692,900.40/148,644.90
  6. Step 6: Final answer
    x = 63,034.07

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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.