Home / 134,077.34-201,189.89-81,523.73

Finding the Fourth Proportional to 134,077.34, 201,189.89 and 81,523.73

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Solution

The fourth proportional to 134,077.34, 201,189.89 and 81,523.73 is: 122,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,077.34 : 201,189.89 = 81,523.73 : x
  2. Step 2: Convert to fraction form
    134,077.34/201,189.89 = 81,523.73/x
  3. Step 3: Cross multiply
    134,077.34x = 201,189.89 × 81,523.73
  4. Step 4: Simplify right side
    134,077.34x = 16,401,750,977.87
  5. Step 5: Solve for x
    x = 16,401,750,977.87/134,077.34
  6. Step 6: Final answer
    x = 122,330.52

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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.