Home / 100,346.58-150,519.83-30,225.89

Finding the Fourth Proportional to 100,346.58, 150,519.83 and 30,225.89

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Solution

The fourth proportional to 100,346.58, 150,519.83 and 30,225.89 is: 45,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,346.58 : 150,519.83 = 30,225.89 : x
  2. Step 2: Convert to fraction form
    100,346.58/150,519.83 = 30,225.89/x
  3. Step 3: Cross multiply
    100,346.58x = 150,519.83 × 30,225.89
  4. Step 4: Simplify right side
    100,346.58x = 4,549,596,049.57
  5. Step 5: Solve for x
    x = 4,549,596,049.57/100,346.58
  6. Step 6: Final answer
    x = 45,338.83

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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.