Home / 90,250.74-135,500.34-45,907.50

Finding the Fourth Proportional to 90,250.74, 135,500.34 and 45,907.50

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Solution

The fourth proportional to 90,250.74, 135,500.34 and 45,907.50 is: 68,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.74 : 135,500.34 = 45,907.50 : x
  2. Step 2: Convert to fraction form
    90,250.74/135,500.34 = 45,907.50/x
  3. Step 3: Cross multiply
    90,250.74x = 135,500.34 × 45,907.50
  4. Step 4: Simplify right side
    90,250.74x = 6,220,481,858.55
  5. Step 5: Solve for x
    x = 6,220,481,858.55/90,250.74
  6. Step 6: Final answer
    x = 68,924.44

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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.