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Finding the Fourth Proportional to 372,160.80, 558,068.40 and 161,690.40

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Solution

The fourth proportional to 372,160.80, 558,068.40 and 161,690.40 is: 242,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,160.80 : 558,068.40 = 161,690.40 : x
  2. Step 2: Convert to fraction form
    372,160.80/558,068.40 = 161,690.40/x
  3. Step 3: Cross multiply
    372,160.80x = 558,068.40 × 161,690.40
  4. Step 4: Simplify right side
    372,160.80x = 90,234,302,823.36
  5. Step 5: Solve for x
    x = 90,234,302,823.36/372,160.80
  6. Step 6: Final answer
    x = 242,460.52

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