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Finding the Fourth Proportional to 124,671.10, 187,124.10 and 65,549.20

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Solution

The fourth proportional to 124,671.10, 187,124.10 and 65,549.20 is: 98,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,671.10 : 187,124.10 = 65,549.20 : x
  2. Step 2: Convert to fraction form
    124,671.10/187,124.10 = 65,549.20/x
  3. Step 3: Cross multiply
    124,671.10x = 187,124.10 × 65,549.20
  4. Step 4: Simplify right side
    124,671.10x = 12,265,835,055.72
  5. Step 5: Solve for x
    x = 12,265,835,055.72/124,671.10
  6. Step 6: Final answer
    x = 98,385.55

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