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Finding the Fourth Proportional to 319,115.76, 478,678.61 and 94,498.92

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Solution

The fourth proportional to 319,115.76, 478,678.61 and 94,498.92 is: 141,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,115.76 : 478,678.61 = 94,498.92 : x
  2. Step 2: Convert to fraction form
    319,115.76/478,678.61 = 94,498.92/x
  3. Step 3: Cross multiply
    319,115.76x = 478,678.61 × 94,498.92
  4. Step 4: Simplify right side
    319,115.76x = 45,234,611,672.10
  5. Step 5: Solve for x
    x = 45,234,611,672.10/319,115.76
  6. Step 6: Final answer
    x = 141,749.85

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