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Finding the Fourth Proportional to 125,316.59, 172,946.04 and 71,600.45

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Solution

The fourth proportional to 125,316.59, 172,946.04 and 71,600.45 is: 98,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,316.59 : 172,946.04 = 71,600.45 : x
  2. Step 2: Convert to fraction form
    125,316.59/172,946.04 = 71,600.45/x
  3. Step 3: Cross multiply
    125,316.59x = 172,946.04 × 71,600.45
  4. Step 4: Simplify right side
    125,316.59x = 12,383,013,424.99
  5. Step 5: Solve for x
    x = 12,383,013,424.99/125,316.59
  6. Step 6: Final answer
    x = 98,813.84

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