Home / 134,631.55-201,983.78-119,942.20

Finding the Fourth Proportional to 134,631.55, 201,983.78 and 119,942.20

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Solution

The fourth proportional to 134,631.55, 201,983.78 and 119,942.20 is: 179,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,631.55 : 201,983.78 = 119,942.20 : x
  2. Step 2: Convert to fraction form
    134,631.55/201,983.78 = 119,942.20/x
  3. Step 3: Cross multiply
    134,631.55x = 201,983.78 × 119,942.20
  4. Step 4: Simplify right side
    134,631.55x = 24,226,378,937.52
  5. Step 5: Solve for x
    x = 24,226,378,937.52/134,631.55
  6. Step 6: Final answer
    x = 179,945.78

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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.