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Finding the Fourth Proportional to 180,560.23, 249,170.02 and 99,986.02

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Solution

The fourth proportional to 180,560.23, 249,170.02 and 99,986.02 is: 137,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,560.23 : 249,170.02 = 99,986.02 : x
  2. Step 2: Convert to fraction form
    180,560.23/249,170.02 = 99,986.02/x
  3. Step 3: Cross multiply
    180,560.23x = 249,170.02 × 99,986.02
  4. Step 4: Simplify right side
    180,560.23x = 24,913,518,603.12
  5. Step 5: Solve for x
    x = 24,913,518,603.12/180,560.23
  6. Step 6: Final answer
    x = 137,978.99

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