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Finding the Fourth Proportional to 124,657.40, 187,050.90 and 54,543.80

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Solution

The fourth proportional to 124,657.40, 187,050.90 and 54,543.80 is: 81,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,657.40 : 187,050.90 = 54,543.80 : x
  2. Step 2: Convert to fraction form
    124,657.40/187,050.90 = 54,543.80/x
  3. Step 3: Cross multiply
    124,657.40x = 187,050.90 × 54,543.80
  4. Step 4: Simplify right side
    124,657.40x = 10,202,466,879.42
  5. Step 5: Solve for x
    x = 10,202,466,879.42/124,657.40
  6. Step 6: Final answer
    x = 81,844.05

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