Home / 134,748.60-202,122.90-92,758.20

Finding the Fourth Proportional to 134,748.60, 202,122.90 and 92,758.20

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Solution

The fourth proportional to 134,748.60, 202,122.90 and 92,758.20 is: 139,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,748.60 : 202,122.90 = 92,758.20 : x
  2. Step 2: Convert to fraction form
    134,748.60/202,122.90 = 92,758.20/x
  3. Step 3: Cross multiply
    134,748.60x = 202,122.90 × 92,758.20
  4. Step 4: Simplify right side
    134,748.60x = 18,748,556,382.78
  5. Step 5: Solve for x
    x = 18,748,556,382.78/134,748.60
  6. Step 6: Final answer
    x = 139,137.30

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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.