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Finding the Fourth Proportional to 145,140.98, 217,709.20 and 102,269.16

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Solution

The fourth proportional to 145,140.98, 217,709.20 and 102,269.16 is: 153,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,140.98 : 217,709.20 = 102,269.16 : x
  2. Step 2: Convert to fraction form
    145,140.98/217,709.20 = 102,269.16/x
  3. Step 3: Cross multiply
    145,140.98x = 217,709.20 × 102,269.16
  4. Step 4: Simplify right side
    145,140.98x = 22,264,937,008.27
  5. Step 5: Solve for x
    x = 22,264,937,008.27/145,140.98
  6. Step 6: Final answer
    x = 153,402.14

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