Home / 135,901.56-203,925.66-79,851.18

Finding the Fourth Proportional to 135,901.56, 203,925.66 and 79,851.18

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Solution

The fourth proportional to 135,901.56, 203,925.66 and 79,851.18 is: 119,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,901.56 : 203,925.66 = 79,851.18 : x
  2. Step 2: Convert to fraction form
    135,901.56/203,925.66 = 79,851.18/x
  3. Step 3: Cross multiply
    135,901.56x = 203,925.66 × 79,851.18
  4. Step 4: Simplify right side
    135,901.56x = 16,283,704,583.28
  5. Step 5: Solve for x
    x = 16,283,704,583.28/135,901.56
  6. Step 6: Final answer
    x = 119,819.85

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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.