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Finding the Fourth Proportional to 168,000.60, 251,655.30 and 84,941.40

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Solution

The fourth proportional to 168,000.60, 251,655.30 and 84,941.40 is: 127,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.60 : 251,655.30 = 84,941.40 : x
  2. Step 2: Convert to fraction form
    168,000.60/251,655.30 = 84,941.40/x
  3. Step 3: Cross multiply
    168,000.60x = 251,655.30 × 84,941.40
  4. Step 4: Simplify right side
    168,000.60x = 21,375,953,499.42
  5. Step 5: Solve for x
    x = 21,375,953,499.42/168,000.60
  6. Step 6: Final answer
    x = 127,237.36

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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.