Home / 134,421.20-201,631.80-92,949.20

Finding the Fourth Proportional to 134,421.20, 201,631.80 and 92,949.20

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Solution

The fourth proportional to 134,421.20, 201,631.80 and 92,949.20 is: 139,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,421.20 : 201,631.80 = 92,949.20 : x
  2. Step 2: Convert to fraction form
    134,421.20/201,631.80 = 92,949.20/x
  3. Step 3: Cross multiply
    134,421.20x = 201,631.80 × 92,949.20
  4. Step 4: Simplify right side
    134,421.20x = 18,741,514,504.56
  5. Step 5: Solve for x
    x = 18,741,514,504.56/134,421.20
  6. Step 6: Final answer
    x = 139,423.80

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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.