Home / 147,912.70-221,869.05-132,166.30

Finding the Fourth Proportional to 147,912.70, 221,869.05 and 132,166.30

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Solution

The fourth proportional to 147,912.70, 221,869.05 and 132,166.30 is: 198,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,912.70 : 221,869.05 = 132,166.30 : x
  2. Step 2: Convert to fraction form
    147,912.70/221,869.05 = 132,166.30/x
  3. Step 3: Cross multiply
    147,912.70x = 221,869.05 × 132,166.30
  4. Step 4: Simplify right side
    147,912.70x = 29,323,611,423.02
  5. Step 5: Solve for x
    x = 29,323,611,423.02/147,912.70
  6. Step 6: Final answer
    x = 198,249.45

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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.