Home / 134,139.70-201,209.55-40,650.10

Finding the Fourth Proportional to 134,139.70, 201,209.55 and 40,650.10

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Solution

The fourth proportional to 134,139.70, 201,209.55 and 40,650.10 is: 60,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139.70 : 201,209.55 = 40,650.10 : x
  2. Step 2: Convert to fraction form
    134,139.70/201,209.55 = 40,650.10/x
  3. Step 3: Cross multiply
    134,139.70x = 201,209.55 × 40,650.10
  4. Step 4: Simplify right side
    134,139.70x = 8,179,188,328.46
  5. Step 5: Solve for x
    x = 8,179,188,328.46/134,139.70
  6. Step 6: Final answer
    x = 60,975.15

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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.