Home / 152,074.68-228,109.53-45,458.91

Finding the Fourth Proportional to 152,074.68, 228,109.53 and 45,458.91

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Solution

The fourth proportional to 152,074.68, 228,109.53 and 45,458.91 is: 68,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,074.68 : 228,109.53 = 45,458.91 : x
  2. Step 2: Convert to fraction form
    152,074.68/228,109.53 = 45,458.91/x
  3. Step 3: Cross multiply
    152,074.68x = 228,109.53 × 45,458.91
  4. Step 4: Simplify right side
    152,074.68x = 10,369,610,594.41
  5. Step 5: Solve for x
    x = 10,369,610,594.41/152,074.68
  6. Step 6: Final answer
    x = 68,187.62

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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.