Home / 134,243.10-201,350.78-45,494.30

Finding the Fourth Proportional to 134,243.10, 201,350.78 and 45,494.30

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Solution

The fourth proportional to 134,243.10, 201,350.78 and 45,494.30 is: 68,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,243.10 : 201,350.78 = 45,494.30 : x
  2. Step 2: Convert to fraction form
    134,243.10/201,350.78 = 45,494.30/x
  3. Step 3: Cross multiply
    134,243.10x = 201,350.78 × 45,494.30
  4. Step 4: Simplify right side
    134,243.10x = 9,160,312,790.55
  5. Step 5: Solve for x
    x = 9,160,312,790.55/134,243.10
  6. Step 6: Final answer
    x = 68,236.75

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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.