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Finding the Fourth Proportional to 96,962.40, 145,328.40 and 40,802.40

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Solution

The fourth proportional to 96,962.40, 145,328.40 and 40,802.40 is: 61,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,962.40 : 145,328.40 = 40,802.40 : x
  2. Step 2: Convert to fraction form
    96,962.40/145,328.40 = 40,802.40/x
  3. Step 3: Cross multiply
    96,962.40x = 145,328.40 × 40,802.40
  4. Step 4: Simplify right side
    96,962.40x = 5,929,747,508.16
  5. Step 5: Solve for x
    x = 5,929,747,508.16/96,962.40
  6. Step 6: Final answer
    x = 61,155.12

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