Home / 148,292.40-221,920.20-135,850.80

Finding the Fourth Proportional to 148,292.40, 221,920.20 and 135,850.80

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Solution

The fourth proportional to 148,292.40, 221,920.20 and 135,850.80 is: 203,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,292.40 : 221,920.20 = 135,850.80 : x
  2. Step 2: Convert to fraction form
    148,292.40/221,920.20 = 135,850.80/x
  3. Step 3: Cross multiply
    148,292.40x = 221,920.20 × 135,850.80
  4. Step 4: Simplify right side
    148,292.40x = 30,148,036,706.16
  5. Step 5: Solve for x
    x = 30,148,036,706.16/148,292.40
  6. Step 6: Final answer
    x = 203,301.29

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1.5x scale

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.