Home / 146,013.40-219,020.10-137,848.60

Finding the Fourth Proportional to 146,013.40, 219,020.10 and 137,848.60

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Solution

The fourth proportional to 146,013.40, 219,020.10 and 137,848.60 is: 206,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,013.40 : 219,020.10 = 137,848.60 : x
  2. Step 2: Convert to fraction form
    146,013.40/219,020.10 = 137,848.60/x
  3. Step 3: Cross multiply
    146,013.40x = 219,020.10 × 137,848.60
  4. Step 4: Simplify right side
    146,013.40x = 30,191,614,156.86
  5. Step 5: Solve for x
    x = 30,191,614,156.86/146,013.40
  6. Step 6: Final answer
    x = 206,772.90

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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.