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Finding the Fourth Proportional to 191,711.60, 287,567.40 and 168,383.60

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Solution

The fourth proportional to 191,711.60, 287,567.40 and 168,383.60 is: 252,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,711.60 : 287,567.40 = 168,383.60 : x
  2. Step 2: Convert to fraction form
    191,711.60/287,567.40 = 168,383.60/x
  3. Step 3: Cross multiply
    191,711.60x = 287,567.40 × 168,383.60
  4. Step 4: Simplify right side
    191,711.60x = 48,421,634,054.64
  5. Step 5: Solve for x
    x = 48,421,634,054.64/191,711.60
  6. Step 6: Final answer
    x = 252,575.40

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