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Finding the Fourth Proportional to 156,715.40, 235,073.10 and 133,095.80

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Solution

The fourth proportional to 156,715.40, 235,073.10 and 133,095.80 is: 199,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,715.40 : 235,073.10 = 133,095.80 : x
  2. Step 2: Convert to fraction form
    156,715.40/235,073.10 = 133,095.80/x
  3. Step 3: Cross multiply
    156,715.40x = 235,073.10 × 133,095.80
  4. Step 4: Simplify right side
    156,715.40x = 31,287,242,302.98
  5. Step 5: Solve for x
    x = 31,287,242,302.98/156,715.40
  6. Step 6: Final answer
    x = 199,643.70

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