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Finding the Fourth Proportional to 173,689.40, 260,534.10 and 98,780.60

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Solution

The fourth proportional to 173,689.40, 260,534.10 and 98,780.60 is: 148,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,689.40 : 260,534.10 = 98,780.60 : x
  2. Step 2: Convert to fraction form
    173,689.40/260,534.10 = 98,780.60/x
  3. Step 3: Cross multiply
    173,689.40x = 260,534.10 × 98,780.60
  4. Step 4: Simplify right side
    173,689.40x = 25,735,714,718.46
  5. Step 5: Solve for x
    x = 25,735,714,718.46/173,689.40
  6. Step 6: Final answer
    x = 148,170.90

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