Home / 134,142.38-201,201.27-45,385.72

Finding the Fourth Proportional to 134,142.38, 201,201.27 and 45,385.72

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Solution

The fourth proportional to 134,142.38, 201,201.27 and 45,385.72 is: 68,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,142.38 : 201,201.27 = 45,385.72 : x
  2. Step 2: Convert to fraction form
    134,142.38/201,201.27 = 45,385.72/x
  3. Step 3: Cross multiply
    134,142.38x = 201,201.27 × 45,385.72
  4. Step 4: Simplify right side
    134,142.38x = 9,131,663,830.66
  5. Step 5: Solve for x
    x = 9,131,663,830.66/134,142.38
  6. Step 6: Final answer
    x = 68,074.41

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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.