Home / 90,150.06-135,216.72-33,966.03

Finding the Fourth Proportional to 90,150.06, 135,216.72 and 33,966.03

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Solution

The fourth proportional to 90,150.06, 135,216.72 and 33,966.03 is: 50,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150.06 : 135,216.72 = 33,966.03 : x
  2. Step 2: Convert to fraction form
    90,150.06/135,216.72 = 33,966.03/x
  3. Step 3: Cross multiply
    90,150.06x = 135,216.72 × 33,966.03
  4. Step 4: Simplify right side
    90,150.06x = 4,592,775,168.02
  5. Step 5: Solve for x
    x = 4,592,775,168.02/90,150.06
  6. Step 6: Final answer
    x = 50,945.89

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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.