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Finding the Fourth Proportional to 358,740.20, 537,915.90 and 148,140.20

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Solution

The fourth proportional to 358,740.20, 537,915.90 and 148,140.20 is: 222,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,740.20 : 537,915.90 = 148,140.20 : x
  2. Step 2: Convert to fraction form
    358,740.20/537,915.90 = 148,140.20/x
  3. Step 3: Cross multiply
    358,740.20x = 537,915.90 × 148,140.20
  4. Step 4: Simplify right side
    358,740.20x = 79,686,969,009.18
  5. Step 5: Solve for x
    x = 79,686,969,009.18/358,740.20
  6. Step 6: Final answer
    x = 222,130.02

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