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Finding the Fourth Proportional to 117,136.07, 175,702.55 and 28,390.34

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Solution

The fourth proportional to 117,136.07, 175,702.55 and 28,390.34 is: 42,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,136.07 : 175,702.55 = 28,390.34 : x
  2. Step 2: Convert to fraction form
    117,136.07/175,702.55 = 28,390.34/x
  3. Step 3: Cross multiply
    117,136.07x = 175,702.55 × 28,390.34
  4. Step 4: Simplify right side
    117,136.07x = 4,988,255,430.67
  5. Step 5: Solve for x
    x = 4,988,255,430.67/117,136.07
  6. Step 6: Final answer
    x = 42,585.14

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