Home / 145,291.44-217,920.76-40,125.36

Finding the Fourth Proportional to 145,291.44, 217,920.76 and 40,125.36

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Solution

The fourth proportional to 145,291.44, 217,920.76 and 40,125.36 is: 60,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,291.44 : 217,920.76 = 40,125.36 : x
  2. Step 2: Convert to fraction form
    145,291.44/217,920.76 = 40,125.36/x
  3. Step 3: Cross multiply
    145,291.44x = 217,920.76 × 40,125.36
  4. Step 4: Simplify right side
    145,291.44x = 8,744,148,946.47
  5. Step 5: Solve for x
    x = 8,744,148,946.47/145,291.44
  6. Step 6: Final answer
    x = 60,183.51

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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.