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Finding the Fourth Proportional to 132,019.20, 197,737.20 and 102,340.80

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Solution

The fourth proportional to 132,019.20, 197,737.20 and 102,340.80 is: 153,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,019.20 : 197,737.20 = 102,340.80 : x
  2. Step 2: Convert to fraction form
    132,019.20/197,737.20 = 102,340.80/x
  3. Step 3: Cross multiply
    132,019.20x = 197,737.20 × 102,340.80
  4. Step 4: Simplify right side
    132,019.20x = 20,236,583,237.76
  5. Step 5: Solve for x
    x = 20,236,583,237.76/132,019.20
  6. Step 6: Final answer
    x = 153,285.15

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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.