Home / 132,154.20-198,231.30-69,946.20

Finding the Fourth Proportional to 132,154.20, 198,231.30 and 69,946.20

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Solution

The fourth proportional to 132,154.20, 198,231.30 and 69,946.20 is: 104,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,154.20 : 198,231.30 = 69,946.20 : x
  2. Step 2: Convert to fraction form
    132,154.20/198,231.30 = 69,946.20/x
  3. Step 3: Cross multiply
    132,154.20x = 198,231.30 × 69,946.20
  4. Step 4: Simplify right side
    132,154.20x = 13,865,526,156.06
  5. Step 5: Solve for x
    x = 13,865,526,156.06/132,154.20
  6. Step 6: Final answer
    x = 104,919.30

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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.