Home / 148,293.40-221,921.70-135,851.80

Finding the Fourth Proportional to 148,293.40, 221,921.70 and 135,851.80

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Solution

The fourth proportional to 148,293.40, 221,921.70 and 135,851.80 is: 203,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,293.40 : 221,921.70 = 135,851.80 : x
  2. Step 2: Convert to fraction form
    148,293.40/221,921.70 = 135,851.80/x
  3. Step 3: Cross multiply
    148,293.40x = 221,921.70 × 135,851.80
  4. Step 4: Simplify right side
    148,293.40x = 30,148,462,404.06
  5. Step 5: Solve for x
    x = 30,148,462,404.06/148,293.40
  6. Step 6: Final answer
    x = 203,302.79

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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.