Home / 90,320.89-135,481.35-37,701.67

Finding the Fourth Proportional to 90,320.89, 135,481.35 and 37,701.67

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Solution

The fourth proportional to 90,320.89, 135,481.35 and 37,701.67 is: 56,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,320.89 : 135,481.35 = 37,701.67 : x
  2. Step 2: Convert to fraction form
    90,320.89/135,481.35 = 37,701.67/x
  3. Step 3: Cross multiply
    90,320.89x = 135,481.35 × 37,701.67
  4. Step 4: Simplify right side
    90,320.89x = 5,107,873,148.85
  5. Step 5: Solve for x
    x = 5,107,873,148.85/90,320.89
  6. Step 6: Final answer
    x = 56,552.51

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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.