Home / 132,528.30-198,792.45-123,780.30

Finding the Fourth Proportional to 132,528.30, 198,792.45 and 123,780.30

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Solution

The fourth proportional to 132,528.30, 198,792.45 and 123,780.30 is: 185,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,528.30 : 198,792.45 = 123,780.30 : x
  2. Step 2: Convert to fraction form
    132,528.30/198,792.45 = 123,780.30/x
  3. Step 3: Cross multiply
    132,528.30x = 198,792.45 × 123,780.30
  4. Step 4: Simplify right side
    132,528.30x = 24,606,589,098.74
  5. Step 5: Solve for x
    x = 24,606,589,098.74/132,528.30
  6. Step 6: Final answer
    x = 185,670.45

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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.