Home / 90,250.76-135,500.36-45,907.49

Finding the Fourth Proportional to 90,250.76, 135,500.36 and 45,907.49

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Solution

The fourth proportional to 90,250.76, 135,500.36 and 45,907.49 is: 68,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.76 : 135,500.36 = 45,907.49 : x
  2. Step 2: Convert to fraction form
    90,250.76/135,500.36 = 45,907.49/x
  3. Step 3: Cross multiply
    90,250.76x = 135,500.36 × 45,907.49
  4. Step 4: Simplify right side
    90,250.76x = 6,220,481,421.70
  5. Step 5: Solve for x
    x = 6,220,481,421.70/90,250.76
  6. Step 6: Final answer
    x = 68,924.42

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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.