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Finding the Fourth Proportional to 115,287.60, 172,931.40 and 32,181.60

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Solution

The fourth proportional to 115,287.60, 172,931.40 and 32,181.60 is: 48,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,287.60 : 172,931.40 = 32,181.60 : x
  2. Step 2: Convert to fraction form
    115,287.60/172,931.40 = 32,181.60/x
  3. Step 3: Cross multiply
    115,287.60x = 172,931.40 × 32,181.60
  4. Step 4: Simplify right side
    115,287.60x = 5,565,209,142.24
  5. Step 5: Solve for x
    x = 5,565,209,142.24/115,287.60
  6. Step 6: Final answer
    x = 48,272.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.