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Finding the Fourth Proportional to 64,181.80, 96,272.70 and 43,186.60

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Solution

The fourth proportional to 64,181.80, 96,272.70 and 43,186.60 is: 64,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,181.80 : 96,272.70 = 43,186.60 : x
  2. Step 2: Convert to fraction form
    64,181.80/96,272.70 = 43,186.60/x
  3. Step 3: Cross multiply
    64,181.80x = 96,272.70 × 43,186.60
  4. Step 4: Simplify right side
    64,181.80x = 4,157,690,585.82
  5. Step 5: Solve for x
    x = 4,157,690,585.82/64,181.80
  6. Step 6: Final answer
    x = 64,779.90

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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.