Home / 287,229.20-430,907.76-87,565.12

Finding the Fourth Proportional to 287,229.20, 430,907.76 and 87,565.12

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Solution

The fourth proportional to 287,229.20, 430,907.76 and 87,565.12 is: 131,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,229.20 : 430,907.76 = 87,565.12 : x
  2. Step 2: Convert to fraction form
    287,229.20/430,907.76 = 87,565.12/x
  3. Step 3: Cross multiply
    287,229.20x = 430,907.76 × 87,565.12
  4. Step 4: Simplify right side
    287,229.20x = 37,732,489,713.33
  5. Step 5: Solve for x
    x = 37,732,489,713.33/287,229.20
  6. Step 6: Final answer
    x = 131,367.18

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