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Finding the Fourth Proportional to 173,603.20, 260,404.80 and 42,275.20

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Solution

The fourth proportional to 173,603.20, 260,404.80 and 42,275.20 is: 63,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,603.20 : 260,404.80 = 42,275.20 : x
  2. Step 2: Convert to fraction form
    173,603.20/260,404.80 = 42,275.20/x
  3. Step 3: Cross multiply
    173,603.20x = 260,404.80 × 42,275.20
  4. Step 4: Simplify right side
    173,603.20x = 11,008,665,000.96
  5. Step 5: Solve for x
    x = 11,008,665,000.96/173,603.20
  6. Step 6: Final answer
    x = 63,412.80

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