Home / 145,030.91-217,540.89-39,847.14

Finding the Fourth Proportional to 145,030.91, 217,540.89 and 39,847.14

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Solution

The fourth proportional to 145,030.91, 217,540.89 and 39,847.14 is: 59,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,030.91 : 217,540.89 = 39,847.14 : x
  2. Step 2: Convert to fraction form
    145,030.91/217,540.89 = 39,847.14/x
  3. Step 3: Cross multiply
    145,030.91x = 217,540.89 × 39,847.14
  4. Step 4: Simplify right side
    145,030.91x = 8,668,382,299.55
  5. Step 5: Solve for x
    x = 8,668,382,299.55/145,030.91
  6. Step 6: Final answer
    x = 59,769.21

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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.