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Finding the Fourth Proportional to 134,389, 201,612.65 and 40,892.32

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Solution

The fourth proportional to 134,389, 201,612.65 and 40,892.32 is: 61,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,389 : 201,612.65 = 40,892.32 : x
  2. Step 2: Convert to fraction form
    134,389/201,612.65 = 40,892.32/x
  3. Step 3: Cross multiply
    134,389x = 201,612.65 × 40,892.32
  4. Step 4: Simplify right side
    134,389x = 8,244,408,999.85
  5. Step 5: Solve for x
    x = 8,244,408,999.85/134,389
  6. Step 6: Final answer
    x = 61,347.35

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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.