Home / 145,441.59-218,162.39-45,609.83

Finding the Fourth Proportional to 145,441.59, 218,162.39 and 45,609.83

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Solution

The fourth proportional to 145,441.59, 218,162.39 and 45,609.83 is: 68,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,441.59 : 218,162.39 = 45,609.83 : x
  2. Step 2: Convert to fraction form
    145,441.59/218,162.39 = 45,609.83/x
  3. Step 3: Cross multiply
    145,441.59x = 218,162.39 × 45,609.83
  4. Step 4: Simplify right side
    145,441.59x = 9,950,348,201.43
  5. Step 5: Solve for x
    x = 9,950,348,201.43/145,441.59
  6. Step 6: Final answer
    x = 68,414.74

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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.