Home / 145,035.69-217,552.88-45,195.96

Finding the Fourth Proportional to 145,035.69, 217,552.88 and 45,195.96

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Solution

The fourth proportional to 145,035.69, 217,552.88 and 45,195.96 is: 67,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,035.69 : 217,552.88 = 45,195.96 : x
  2. Step 2: Convert to fraction form
    145,035.69/217,552.88 = 45,195.96/x
  3. Step 3: Cross multiply
    145,035.69x = 217,552.88 × 45,195.96
  4. Step 4: Simplify right side
    145,035.69x = 9,832,511,036.39
  5. Step 5: Solve for x
    x = 9,832,511,036.39/145,035.69
  6. Step 6: Final answer
    x = 67,793.73

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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.