Home / 103,697.55-155,546.33-37,139.85

Finding the Fourth Proportional to 103,697.55, 155,546.33 and 37,139.85

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Solution

The fourth proportional to 103,697.55, 155,546.33 and 37,139.85 is: 55,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,697.55 : 155,546.33 = 37,139.85 : x
  2. Step 2: Convert to fraction form
    103,697.55/155,546.33 = 37,139.85/x
  3. Step 3: Cross multiply
    103,697.55x = 155,546.33 × 37,139.85
  4. Step 4: Simplify right side
    103,697.55x = 5,776,967,178.55
  5. Step 5: Solve for x
    x = 5,776,967,178.55/103,697.55
  6. Step 6: Final answer
    x = 55,709.78

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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.