Home / 74,160.72-102,341.17-40,168.41

Finding the Fourth Proportional to 74,160.72, 102,341.17 and 40,168.41

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Solution

The fourth proportional to 74,160.72, 102,341.17 and 40,168.41 is: 55,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160.72 : 102,341.17 = 40,168.41 : x
  2. Step 2: Convert to fraction form
    74,160.72/102,341.17 = 40,168.41/x
  3. Step 3: Cross multiply
    74,160.72x = 102,341.17 × 40,168.41
  4. Step 4: Simplify right side
    74,160.72x = 4,110,882,076.44
  5. Step 5: Solve for x
    x = 4,110,882,076.44/74,160.72
  6. Step 6: Final answer
    x = 55,432.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.