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Finding the Fourth Proportional to 445,363.18, 668,073.32 and 157,139.46

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Solution

The fourth proportional to 445,363.18, 668,073.32 and 157,139.46 is: 235,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,363.18 : 668,073.32 = 157,139.46 : x
  2. Step 2: Convert to fraction form
    445,363.18/668,073.32 = 157,139.46/x
  3. Step 3: Cross multiply
    445,363.18x = 668,073.32 × 157,139.46
  4. Step 4: Simplify right side
    445,363.18x = 104,980,680,548.78
  5. Step 5: Solve for x
    x = 104,980,680,548.78/445,363.18
  6. Step 6: Final answer
    x = 235,719.26

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