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Finding the Fourth Proportional to 169,801.20, 254,744.40 and 64,562.64

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Solution

The fourth proportional to 169,801.20, 254,744.40 and 64,562.64 is: 96,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,801.20 : 254,744.40 = 64,562.64 : x
  2. Step 2: Convert to fraction form
    169,801.20/254,744.40 = 64,562.64/x
  3. Step 3: Cross multiply
    169,801.20x = 254,744.40 × 64,562.64
  4. Step 4: Simplify right side
    169,801.20x = 16,446,970,989.22
  5. Step 5: Solve for x
    x = 16,446,970,989.22/169,801.20
  6. Step 6: Final answer
    x = 96,860.16

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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.