Home / 145,284.67-217,939.52-40,103.65

Finding the Fourth Proportional to 145,284.67, 217,939.52 and 40,103.65

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Solution

The fourth proportional to 145,284.67, 217,939.52 and 40,103.65 is: 60,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,284.67 : 217,939.52 = 40,103.65 : x
  2. Step 2: Convert to fraction form
    145,284.67/217,939.52 = 40,103.65/x
  3. Step 3: Cross multiply
    145,284.67x = 217,939.52 × 40,103.65
  4. Step 4: Simplify right side
    145,284.67x = 8,740,170,231.25
  5. Step 5: Solve for x
    x = 8,740,170,231.25/145,284.67
  6. Step 6: Final answer
    x = 60,158.93

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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.