Home / 140,214.30-210,321.45-134,771.10

Finding the Fourth Proportional to 140,214.30, 210,321.45 and 134,771.10

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Solution

The fourth proportional to 140,214.30, 210,321.45 and 134,771.10 is: 202,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.30 : 210,321.45 = 134,771.10 : x
  2. Step 2: Convert to fraction form
    140,214.30/210,321.45 = 134,771.10/x
  3. Step 3: Cross multiply
    140,214.30x = 210,321.45 × 134,771.10
  4. Step 4: Simplify right side
    140,214.30x = 28,345,253,170.10
  5. Step 5: Solve for x
    x = 28,345,253,170.10/140,214.30
  6. Step 6: Final answer
    x = 202,156.65

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1.5x scale

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.